fmtnoprmfac1 - Mathbox for Alexander van der Vekens

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Theorem fmtnoprmfac1 45017

Description: Divisor of Fermat number (special form of Euler's result, see fmtnofac1 45022): Let F_n be a Fermat number. Let p be a prime divisor of F_n. Then p is in the form: k*2^(n+1)+1 where k is a positive integer. (Contributed by AV, 25-Jul-2021.)

**Assertion**
Ref	Expression
fmtnoprmfac1	⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁)) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1))

Distinct variable groups: 𝑘,𝑁 𝑃,𝑘

**Proof of Theorem fmtnoprmfac1**
Step	Hyp	Ref	Expression
1		breq1 5077	. . . . . . 7 ⊢ (𝑃 = 2 → (𝑃 ∥ (FermatNo‘𝑁) ↔ 2 ∥ (FermatNo‘𝑁)))
2	1	adantr 481	. . . . . 6 ⊢ ((𝑃 = 2 ∧ 𝑁 ∈ ℕ) → (𝑃 ∥ (FermatNo‘𝑁) ↔ 2 ∥ (FermatNo‘𝑁)))
3		nnnn0 12240	. . . . . . . . 9 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℕ₀)
4		fmtnoodd 44985	. . . . . . . . 9 ⊢ (𝑁 ∈ ℕ₀ → ¬ 2 ∥ (FermatNo‘𝑁))
5	3, 4	syl 17	. . . . . . . 8 ⊢ (𝑁 ∈ ℕ → ¬ 2 ∥ (FermatNo‘𝑁))
6	5	adantl 482	. . . . . . 7 ⊢ ((𝑃 = 2 ∧ 𝑁 ∈ ℕ) → ¬ 2 ∥ (FermatNo‘𝑁))
7	6	pm2.21d 121	. . . . . 6 ⊢ ((𝑃 = 2 ∧ 𝑁 ∈ ℕ) → (2 ∥ (FermatNo‘𝑁) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
8	2, 7	sylbid 239	. . . . 5 ⊢ ((𝑃 = 2 ∧ 𝑁 ∈ ℕ) → (𝑃 ∥ (FermatNo‘𝑁) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
9	8	a1d 25	. . . 4 ⊢ ((𝑃 = 2 ∧ 𝑁 ∈ ℕ) → (𝑃 ∈ ℙ → (𝑃 ∥ (FermatNo‘𝑁) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1))))
10	9	ex 413	. . 3 ⊢ (𝑃 = 2 → (𝑁 ∈ ℕ → (𝑃 ∈ ℙ → (𝑃 ∥ (FermatNo‘𝑁) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))))
11	10	3impd 1347	. 2 ⊢ (𝑃 = 2 → ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁)) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
12		simpr1 1193	. . . . 5 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁))) → 𝑁 ∈ ℕ)
13		neqne 2951	. . . . . . . . . 10 ⊢ (¬ 𝑃 = 2 → 𝑃 ≠ 2)
14	13	anim2i 617	. . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ ¬ 𝑃 = 2) → (𝑃 ∈ ℙ ∧ 𝑃 ≠ 2))
15		eldifsn 4720	. . . . . . . . 9 ⊢ (𝑃 ∈ (ℙ ∖ {2}) ↔ (𝑃 ∈ ℙ ∧ 𝑃 ≠ 2))
16	14, 15	sylibr 233	. . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ ¬ 𝑃 = 2) → 𝑃 ∈ (ℙ ∖ {2}))
17	16	ex 413	. . . . . . 7 ⊢ (𝑃 ∈ ℙ → (¬ 𝑃 = 2 → 𝑃 ∈ (ℙ ∖ {2})))
18	17	3ad2ant2 1133	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁)) → (¬ 𝑃 = 2 → 𝑃 ∈ (ℙ ∖ {2})))
19	18	impcom 408	. . . . 5 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁))) → 𝑃 ∈ (ℙ ∖ {2}))
20		simpr3 1195	. . . . 5 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁))) → 𝑃 ∥ (FermatNo‘𝑁))
21		fmtnoprmfac1lem 45016	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ (ℙ ∖ {2}) ∧ 𝑃 ∥ (FermatNo‘𝑁)) → ((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)))
22	12, 19, 20, 21	syl3anc 1370	. . . 4 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁))) → ((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)))
23		prmnn 16379	. . . . . . . 8 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℕ)
24	23	ad2antll 726	. . . . . . 7 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → 𝑃 ∈ ℕ)
25		2z 12352	. . . . . . . 8 ⊢ 2 ∈ ℤ
26	25	a1i 11	. . . . . . 7 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → 2 ∈ ℤ)
27	13	necomd 2999	. . . . . . . . 9 ⊢ (¬ 𝑃 = 2 → 2 ≠ 𝑃)
28	27	adantr 481	. . . . . . . 8 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → 2 ≠ 𝑃)
29		2prm 16397	. . . . . . . . . . . 12 ⊢ 2 ∈ ℙ
30	29	a1i 11	. . . . . . . . . . 11 ⊢ (𝑁 ∈ ℕ → 2 ∈ ℙ)
31	30	anim1i 615	. . . . . . . . . 10 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) → (2 ∈ ℙ ∧ 𝑃 ∈ ℙ))
32	31	adantl 482	. . . . . . . . 9 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (2 ∈ ℙ ∧ 𝑃 ∈ ℙ))
33		prmrp 16417	. . . . . . . . 9 ⊢ ((2 ∈ ℙ ∧ 𝑃 ∈ ℙ) → ((2 gcd 𝑃) = 1 ↔ 2 ≠ 𝑃))
34	32, 33	syl 17	. . . . . . . 8 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → ((2 gcd 𝑃) = 1 ↔ 2 ≠ 𝑃))
35	28, 34	mpbird 256	. . . . . . 7 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (2 gcd 𝑃) = 1)
36		odzphi 16497	. . . . . . 7 ⊢ ((𝑃 ∈ ℕ ∧ 2 ∈ ℤ ∧ (2 gcd 𝑃) = 1) → ((od_ℤ‘𝑃)‘2) ∥ (ϕ‘𝑃))
37	24, 26, 35, 36	syl3anc 1370	. . . . . 6 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → ((od_ℤ‘𝑃)‘2) ∥ (ϕ‘𝑃))
38		phiprm 16478	. . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → (ϕ‘𝑃) = (𝑃 − 1))
39	38	ad2antll 726	. . . . . . . 8 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (ϕ‘𝑃) = (𝑃 − 1))
40	39	breq2d 5086	. . . . . . 7 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (((od_ℤ‘𝑃)‘2) ∥ (ϕ‘𝑃) ↔ ((od_ℤ‘𝑃)‘2) ∥ (𝑃 − 1)))
41		breq1 5077	. . . . . . . . . . 11 ⊢ (((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)) → (((od_ℤ‘𝑃)‘2) ∥ (𝑃 − 1) ↔ (2↑(𝑁 + 1)) ∥ (𝑃 − 1)))
42	41	adantl 482	. . . . . . . . . 10 ⊢ (((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) ∧ ((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1))) → (((od_ℤ‘𝑃)‘2) ∥ (𝑃 − 1) ↔ (2↑(𝑁 + 1)) ∥ (𝑃 − 1)))
43		2nn 12046	. . . . . . . . . . . . . . . . 17 ⊢ 2 ∈ ℕ
44	43	a1i 11	. . . . . . . . . . . . . . . 16 ⊢ (𝑁 ∈ ℕ → 2 ∈ ℕ)
45		peano2nn 11985	. . . . . . . . . . . . . . . . 17 ⊢ (𝑁 ∈ ℕ → (𝑁 + 1) ∈ ℕ)
46	45	nnnn0d 12293	. . . . . . . . . . . . . . . 16 ⊢ (𝑁 ∈ ℕ → (𝑁 + 1) ∈ ℕ₀)
47	44, 46	nnexpcld 13960	. . . . . . . . . . . . . . 15 ⊢ (𝑁 ∈ ℕ → (2↑(𝑁 + 1)) ∈ ℕ)
48	23	nnnn0d 12293	. . . . . . . . . . . . . . . 16 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℕ₀)
49		prmuz2 16401	. . . . . . . . . . . . . . . . 17 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ (ℤ_≥‘2))
50		eluzle 12595	. . . . . . . . . . . . . . . . 17 ⊢ (𝑃 ∈ (ℤ_≥‘2) → 2 ≤ 𝑃)
51	49, 50	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (𝑃 ∈ ℙ → 2 ≤ 𝑃)
52		nn0ge2m1nn 12302	. . . . . . . . . . . . . . . 16 ⊢ ((𝑃 ∈ ℕ₀ ∧ 2 ≤ 𝑃) → (𝑃 − 1) ∈ ℕ)
53	48, 51, 52	syl2anc 584	. . . . . . . . . . . . . . 15 ⊢ (𝑃 ∈ ℙ → (𝑃 − 1) ∈ ℕ)
54	47, 53	anim12i 613	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) → ((2↑(𝑁 + 1)) ∈ ℕ ∧ (𝑃 − 1) ∈ ℕ))
55	54	adantl 482	. . . . . . . . . . . . 13 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → ((2↑(𝑁 + 1)) ∈ ℕ ∧ (𝑃 − 1) ∈ ℕ))
56		nndivides 15973	. . . . . . . . . . . . 13 ⊢ (((2↑(𝑁 + 1)) ∈ ℕ ∧ (𝑃 − 1) ∈ ℕ) → ((2↑(𝑁 + 1)) ∥ (𝑃 − 1) ↔ ∃𝑘 ∈ ℕ (𝑘 · (2↑(𝑁 + 1))) = (𝑃 − 1)))
57	55, 56	syl 17	. . . . . . . . . . . 12 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → ((2↑(𝑁 + 1)) ∥ (𝑃 − 1) ↔ ∃𝑘 ∈ ℕ (𝑘 · (2↑(𝑁 + 1))) = (𝑃 − 1)))
58		eqcom 2745	. . . . . . . . . . . . . . . 16 ⊢ ((𝑘 · (2↑(𝑁 + 1))) = (𝑃 − 1) ↔ (𝑃 − 1) = (𝑘 · (2↑(𝑁 + 1))))
59	58	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) ∧ 𝑘 ∈ ℕ) → ((𝑘 · (2↑(𝑁 + 1))) = (𝑃 − 1) ↔ (𝑃 − 1) = (𝑘 · (2↑(𝑁 + 1)))))
60	23	nncnd 11989	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℂ)
61	60	adantl 482	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) → 𝑃 ∈ ℂ)
62	61	adantr 481	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → 𝑃 ∈ ℂ)
63		1cnd 10970	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → 1 ∈ ℂ)
64		nncn 11981	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑘 ∈ ℕ → 𝑘 ∈ ℂ)
65	64	adantl 482	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → 𝑘 ∈ ℂ)
66		peano2nn0 12273	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑁 ∈ ℕ₀ → (𝑁 + 1) ∈ ℕ₀)
67	3, 66	syl 17	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑁 ∈ ℕ → (𝑁 + 1) ∈ ℕ₀)
68	44, 67	nnexpcld 13960	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑁 ∈ ℕ → (2↑(𝑁 + 1)) ∈ ℕ)
69	68	nncnd 11989	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑁 ∈ ℕ → (2↑(𝑁 + 1)) ∈ ℂ)
70	69	adantr 481	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) → (2↑(𝑁 + 1)) ∈ ℂ)
71	70	adantr 481	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → (2↑(𝑁 + 1)) ∈ ℂ)
72	65, 71	mulcld 10995	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → (𝑘 · (2↑(𝑁 + 1))) ∈ ℂ)
73	62, 63, 72	subadd2d 11351	. . . . . . . . . . . . . . . 16 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → ((𝑃 − 1) = (𝑘 · (2↑(𝑁 + 1))) ↔ ((𝑘 · (2↑(𝑁 + 1))) + 1) = 𝑃))
74	73	adantll 711	. . . . . . . . . . . . . . 15 ⊢ (((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) ∧ 𝑘 ∈ ℕ) → ((𝑃 − 1) = (𝑘 · (2↑(𝑁 + 1))) ↔ ((𝑘 · (2↑(𝑁 + 1))) + 1) = 𝑃))
75		eqcom 2745	. . . . . . . . . . . . . . . 16 ⊢ (((𝑘 · (2↑(𝑁 + 1))) + 1) = 𝑃 ↔ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1))
76	75	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) ∧ 𝑘 ∈ ℕ) → (((𝑘 · (2↑(𝑁 + 1))) + 1) = 𝑃 ↔ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
77	59, 74, 76	3bitrd 305	. . . . . . . . . . . . . 14 ⊢ (((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) ∧ 𝑘 ∈ ℕ) → ((𝑘 · (2↑(𝑁 + 1))) = (𝑃 − 1) ↔ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
78	77	rexbidva 3225	. . . . . . . . . . . . 13 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (∃𝑘 ∈ ℕ (𝑘 · (2↑(𝑁 + 1))) = (𝑃 − 1) ↔ ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
79	78	biimpd 228	. . . . . . . . . . . 12 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (∃𝑘 ∈ ℕ (𝑘 · (2↑(𝑁 + 1))) = (𝑃 − 1) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
80	57, 79	sylbid 239	. . . . . . . . . . 11 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → ((2↑(𝑁 + 1)) ∥ (𝑃 − 1) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
81	80	adantr 481	. . . . . . . . . 10 ⊢ (((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) ∧ ((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1))) → ((2↑(𝑁 + 1)) ∥ (𝑃 − 1) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
82	42, 81	sylbid 239	. . . . . . . . 9 ⊢ (((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) ∧ ((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1))) → (((od_ℤ‘𝑃)‘2) ∥ (𝑃 − 1) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
83	82	ex 413	. . . . . . . 8 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)) → (((od_ℤ‘𝑃)‘2) ∥ (𝑃 − 1) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1))))
84	83	com23 86	. . . . . . 7 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (((od_ℤ‘𝑃)‘2) ∥ (𝑃 − 1) → (((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1))))
85	40, 84	sylbid 239	. . . . . 6 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (((od_ℤ‘𝑃)‘2) ∥ (ϕ‘𝑃) → (((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1))))
86	37, 85	mpd 15	. . . . 5 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
87	86	3adantr3 1170	. . . 4 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁))) → (((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
88	22, 87	mpd 15	. . 3 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁))) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1))
89	88	ex 413	. 2 ⊢ (¬ 𝑃 = 2 → ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁)) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
90	11, 89	pm2.61i 182	1 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁)) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 ∃wrex 3065 ∖ cdif 3884 {csn 4561 class class class wbr 5074 ‘cfv 6433 (class class class)co 7275 ℂcc 10869 1c1 10872 + caddc 10874 · cmul 10876 ≤ cle 11010 − cmin 11205 ℕcn 11973 2c2 12028 ℕ₀cn0 12233 ℤcz 12319 ℤ_≥cuz 12582 ↑cexp 13782 ∥ cdvds 15963 gcd cgcd 16201 ℙcprime 16376 od_ℤcodz 16464 ϕcphi 16465 FermatNocfmtno 44979

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949

This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-2o 8298 df-oadd 8301 df-er 8498 df-map 8617 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-sup 9201 df-inf 9202 df-dju 9659 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-n0 12234 df-xnn0 12306 df-z 12320 df-uz 12583 df-q 12689 df-rp 12731 df-fz 13240 df-fzo 13383 df-fl 13512 df-mod 13590 df-seq 13722 df-exp 13783 df-hash 14045 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-dvds 15964 df-gcd 16202 df-prm 16377 df-odz 16466 df-phi 16467 df-pc 16538 df-fmtno 44980

This theorem is referenced by: fmtnoprmfac2lem1 45018

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