fmtnoprmfac1 - Mathbox for Alexander van der Vekens

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Theorem fmtnoprmfac1 47550

Description: Divisor of Fermat number (special form of Euler's result, see fmtnofac1 47555): 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 5098	. . . . . . 7 ⊢ (𝑃 = 2 → (𝑃 ∥ (FermatNo‘𝑁) ↔ 2 ∥ (FermatNo‘𝑁)))
2	1	adantr 480	. . . . . 6 ⊢ ((𝑃 = 2 ∧ 𝑁 ∈ ℕ) → (𝑃 ∥ (FermatNo‘𝑁) ↔ 2 ∥ (FermatNo‘𝑁)))
3		nnnn0 12409	. . . . . . . . 9 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℕ₀)
4		fmtnoodd 47518	. . . . . . . . 9 ⊢ (𝑁 ∈ ℕ₀ → ¬ 2 ∥ (FermatNo‘𝑁))
5	3, 4	syl 17	. . . . . . . 8 ⊢ (𝑁 ∈ ℕ → ¬ 2 ∥ (FermatNo‘𝑁))
6	5	adantl 481	. . . . . . 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 240	. . . . 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 412	. . 3 ⊢ (𝑃 = 2 → (𝑁 ∈ ℕ → (𝑃 ∈ ℙ → (𝑃 ∥ (FermatNo‘𝑁) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))))
11	10	3impd 1349	. 2 ⊢ (𝑃 = 2 → ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁)) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
12		simpr1 1195	. . . . 5 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁))) → 𝑁 ∈ ℕ)
13		neqne 2933	. . . . . . . . . 10 ⊢ (¬ 𝑃 = 2 → 𝑃 ≠ 2)
14	13	anim2i 617	. . . . . . . . 9 ⊢ ((𝑃 ∈ ℙ ∧ ¬ 𝑃 = 2) → (𝑃 ∈ ℙ ∧ 𝑃 ≠ 2))
15		eldifsn 4740	. . . . . . . . 9 ⊢ (𝑃 ∈ (ℙ ∖ {2}) ↔ (𝑃 ∈ ℙ ∧ 𝑃 ≠ 2))
16	14, 15	sylibr 234	. . . . . . . 8 ⊢ ((𝑃 ∈ ℙ ∧ ¬ 𝑃 = 2) → 𝑃 ∈ (ℙ ∖ {2}))
17	16	ex 412	. . . . . . 7 ⊢ (𝑃 ∈ ℙ → (¬ 𝑃 = 2 → 𝑃 ∈ (ℙ ∖ {2})))
18	17	3ad2ant2 1134	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁)) → (¬ 𝑃 = 2 → 𝑃 ∈ (ℙ ∖ {2})))
19	18	impcom 407	. . . . 5 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁))) → 𝑃 ∈ (ℙ ∖ {2}))
20		simpr3 1197	. . . . 5 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁))) → 𝑃 ∥ (FermatNo‘𝑁))
21		fmtnoprmfac1lem 47549	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ (ℙ ∖ {2}) ∧ 𝑃 ∥ (FermatNo‘𝑁)) → ((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)))
22	12, 19, 20, 21	syl3anc 1373	. . . 4 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ ∧ 𝑃 ∥ (FermatNo‘𝑁))) → ((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)))
23		prmnn 16603	. . . . . . . 8 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℕ)
24	23	ad2antll 729	. . . . . . 7 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → 𝑃 ∈ ℕ)
25		2z 12525	. . . . . . . 8 ⊢ 2 ∈ ℤ
26	25	a1i 11	. . . . . . 7 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → 2 ∈ ℤ)
27	13	necomd 2980	. . . . . . . . 9 ⊢ (¬ 𝑃 = 2 → 2 ≠ 𝑃)
28	27	adantr 480	. . . . . . . 8 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → 2 ≠ 𝑃)
29		2prm 16621	. . . . . . . . . . . 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 481	. . . . . . . . 9 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (2 ∈ ℙ ∧ 𝑃 ∈ ℙ))
33		prmrp 16641	. . . . . . . . 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 257	. . . . . . 7 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (2 gcd 𝑃) = 1)
36		odzphi 16726	. . . . . . 7 ⊢ ((𝑃 ∈ ℕ ∧ 2 ∈ ℤ ∧ (2 gcd 𝑃) = 1) → ((od_ℤ‘𝑃)‘2) ∥ (ϕ‘𝑃))
37	24, 26, 35, 36	syl3anc 1373	. . . . . 6 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → ((od_ℤ‘𝑃)‘2) ∥ (ϕ‘𝑃))
38		phiprm 16706	. . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → (ϕ‘𝑃) = (𝑃 − 1))
39	38	ad2antll 729	. . . . . . . 8 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (ϕ‘𝑃) = (𝑃 − 1))
40	39	breq2d 5107	. . . . . . 7 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → (((od_ℤ‘𝑃)‘2) ∥ (ϕ‘𝑃) ↔ ((od_ℤ‘𝑃)‘2) ∥ (𝑃 − 1)))
41		breq1 5098	. . . . . . . . . . 11 ⊢ (((od_ℤ‘𝑃)‘2) = (2↑(𝑁 + 1)) → (((od_ℤ‘𝑃)‘2) ∥ (𝑃 − 1) ↔ (2↑(𝑁 + 1)) ∥ (𝑃 − 1)))
42	41	adantl 481	. . . . . . . . . 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 12219	. . . . . . . . . . . . . . . . 17 ⊢ 2 ∈ ℕ
44	43	a1i 11	. . . . . . . . . . . . . . . 16 ⊢ (𝑁 ∈ ℕ → 2 ∈ ℕ)
45		peano2nn 12158	. . . . . . . . . . . . . . . . 17 ⊢ (𝑁 ∈ ℕ → (𝑁 + 1) ∈ ℕ)
46	45	nnnn0d 12463	. . . . . . . . . . . . . . . 16 ⊢ (𝑁 ∈ ℕ → (𝑁 + 1) ∈ ℕ₀)
47	44, 46	nnexpcld 14170	. . . . . . . . . . . . . . 15 ⊢ (𝑁 ∈ ℕ → (2↑(𝑁 + 1)) ∈ ℕ)
48	23	nnnn0d 12463	. . . . . . . . . . . . . . . 16 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℕ₀)
49		prmuz2 16625	. . . . . . . . . . . . . . . . 17 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ (ℤ_≥‘2))
50		eluzle 12766	. . . . . . . . . . . . . . . . 17 ⊢ (𝑃 ∈ (ℤ_≥‘2) → 2 ≤ 𝑃)
51	49, 50	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (𝑃 ∈ ℙ → 2 ≤ 𝑃)
52		nn0ge2m1nn 12472	. . . . . . . . . . . . . . . 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 481	. . . . . . . . . . . . 13 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → ((2↑(𝑁 + 1)) ∈ ℕ ∧ (𝑃 − 1) ∈ ℕ))
56		nndivides 16191	. . . . . . . . . . . . 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 2736	. . . . . . . . . . . . . . . 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 12162	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℂ)
61	60	adantl 481	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) → 𝑃 ∈ ℂ)
62	61	adantr 480	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → 𝑃 ∈ ℂ)
63		1cnd 11129	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → 1 ∈ ℂ)
64		nncn 12154	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑘 ∈ ℕ → 𝑘 ∈ ℂ)
65	64	adantl 481	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → 𝑘 ∈ ℂ)
66		peano2nn0 12442	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑁 ∈ ℕ₀ → (𝑁 + 1) ∈ ℕ₀)
67	3, 66	syl 17	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑁 ∈ ℕ → (𝑁 + 1) ∈ ℕ₀)
68	44, 67	nnexpcld 14170	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑁 ∈ ℕ → (2↑(𝑁 + 1)) ∈ ℕ)
69	68	nncnd 12162	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑁 ∈ ℕ → (2↑(𝑁 + 1)) ∈ ℂ)
70	69	adantr 480	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) → (2↑(𝑁 + 1)) ∈ ℂ)
71	70	adantr 480	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → (2↑(𝑁 + 1)) ∈ ℂ)
72	65, 71	mulcld 11154	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → (𝑘 · (2↑(𝑁 + 1))) ∈ ℂ)
73	62, 63, 72	subadd2d 11512	. . . . . . . . . . . . . . . 16 ⊢ (((𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ) ∧ 𝑘 ∈ ℕ) → ((𝑃 − 1) = (𝑘 · (2↑(𝑁 + 1))) ↔ ((𝑘 · (2↑(𝑁 + 1))) + 1) = 𝑃))
74	73	adantll 714	. . . . . . . . . . . . . . 15 ⊢ (((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) ∧ 𝑘 ∈ ℕ) → ((𝑃 − 1) = (𝑘 · (2↑(𝑁 + 1))) ↔ ((𝑘 · (2↑(𝑁 + 1))) + 1) = 𝑃))
75		eqcom 2736	. . . . . . . . . . . . . . . 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 3151	. . . . . . . . . . . . 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 229	. . . . . . . . . . . 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 240	. . . . . . . . . . 11 ⊢ ((¬ 𝑃 = 2 ∧ (𝑁 ∈ ℕ ∧ 𝑃 ∈ ℙ)) → ((2↑(𝑁 + 1)) ∥ (𝑃 − 1) → ∃𝑘 ∈ ℕ 𝑃 = ((𝑘 · (2↑(𝑁 + 1))) + 1)))
81	80	adantr 480	. . . . . . . . . 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 240	. . . . . . . . 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 412	. . . . . . . 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 240	. . . . . 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 1172	. . . 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 412	. 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 206 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 ≠ wne 2925 ∃wrex 3053 ∖ cdif 3902 {csn 4579 class class class wbr 5095 ‘cfv 6486 (class class class)co 7353 ℂcc 11026 1c1 11029 + caddc 11031 · cmul 11033 ≤ cle 11169 − cmin 11365 ℕcn 12146 2c2 12201 ℕ₀cn0 12402 ℤcz 12489 ℤ_≥cuz 12753 ↑cexp 13986 ∥ cdvds 16181 gcd cgcd 16423 ℙcprime 16600 od_ℤcodz 16692 ϕcphi 16693 FermatNocfmtno 47512

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5221 ax-sep 5238 ax-nul 5248 ax-pow 5307 ax-pr 5374 ax-un 7675 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105 ax-pre-sup 11106

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3345 df-reu 3346 df-rab 3397 df-v 3440 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4862 df-int 4900 df-iun 4946 df-br 5096 df-opab 5158 df-mpt 5177 df-tr 5203 df-id 5518 df-eprel 5523 df-po 5531 df-so 5532 df-fr 5576 df-we 5578 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7310 df-ov 7356 df-oprab 7357 df-mpo 7358 df-om 7807 df-1st 7931 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-1o 8395 df-2o 8396 df-oadd 8399 df-er 8632 df-en 8880 df-dom 8881 df-sdom 8882 df-fin 8883 df-sup 9351 df-inf 9352 df-dju 9816 df-card 9854 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11367 df-neg 11368 df-div 11796 df-nn 12147 df-2 12209 df-3 12210 df-n0 12403 df-xnn0 12476 df-z 12490 df-uz 12754 df-q 12868 df-rp 12912 df-fz 13429 df-fzo 13576 df-fl 13714 df-mod 13792 df-seq 13927 df-exp 13987 df-hash 14256 df-cj 15024 df-re 15025 df-im 15026 df-sqrt 15160 df-abs 15161 df-dvds 16182 df-gcd 16424 df-prm 16601 df-odz 16694 df-phi 16695 df-pc 16767 df-fmtno 47513

This theorem is referenced by: fmtnoprmfac2lem1 47551

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