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Mirrors > Home > MPE Home > Th. List > Mathboxes > 420gcd8e4 | Structured version Visualization version GIF version |
Description: The gcd of 420 and 8 is 4. (Contributed by metakunt, 25-Apr-2024.) |
Ref | Expression |
---|---|
420gcd8e4 | ⊢ (;;420 gcd 8) = 4 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 8nn 11720 | . . . 4 ⊢ 8 ∈ ℕ | |
2 | 4nn 11708 | . . . 4 ⊢ 4 ∈ ℕ | |
3 | 5nn0 11905 | . . . . . 6 ⊢ 5 ∈ ℕ0 | |
4 | 2nn 11698 | . . . . . 6 ⊢ 2 ∈ ℕ | |
5 | 3, 4 | decnncl 12106 | . . . . 5 ⊢ ;52 ∈ ℕ |
6 | 5 | nnzi 11994 | . . . 4 ⊢ ;52 ∈ ℤ |
7 | 1, 2, 6 | gcdaddmzz2nncomi 39283 | . . 3 ⊢ (8 gcd 4) = (8 gcd ((;52 · 8) + 4)) |
8 | 4nn0 11904 | . . . . . . 7 ⊢ 4 ∈ ℕ0 | |
9 | 1nn0 11901 | . . . . . . 7 ⊢ 1 ∈ ℕ0 | |
10 | 8, 9 | deccl 12101 | . . . . . 6 ⊢ ;41 ∈ ℕ0 |
11 | 6nn0 11906 | . . . . . 6 ⊢ 6 ∈ ℕ0 | |
12 | 0nn0 11900 | . . . . . 6 ⊢ 0 ∈ ℕ0 | |
13 | eqid 2798 | . . . . . 6 ⊢ ;;416 = ;;416 | |
14 | 8 | dec0h 12108 | . . . . . 6 ⊢ 4 = ;04 |
15 | 1p1e2 11750 | . . . . . . 7 ⊢ (1 + 1) = 2 | |
16 | 10 | nn0cni 11897 | . . . . . . . 8 ⊢ ;41 ∈ ℂ |
17 | 16 | addid1i 10816 | . . . . . . 7 ⊢ (;41 + 0) = ;41 |
18 | 8, 9, 15, 17 | decsuc 12117 | . . . . . 6 ⊢ ((;41 + 0) + 1) = ;42 |
19 | 6p4e10 12158 | . . . . . 6 ⊢ (6 + 4) = ;10 | |
20 | 10, 11, 12, 8, 13, 14, 18, 19 | decaddc2 12142 | . . . . 5 ⊢ (;;416 + 4) = ;;420 |
21 | 8nn0 11908 | . . . . . . . 8 ⊢ 8 ∈ ℕ0 | |
22 | 2nn0 11902 | . . . . . . . 8 ⊢ 2 ∈ ℕ0 | |
23 | eqid 2798 | . . . . . . . 8 ⊢ ;52 = ;52 | |
24 | 0p1e1 11747 | . . . . . . . . 9 ⊢ (0 + 1) = 1 | |
25 | 8t5e40 12204 | . . . . . . . . 9 ⊢ (8 · 5) = ;40 | |
26 | 8, 12, 24, 25 | decsuc 12117 | . . . . . . . 8 ⊢ ((8 · 5) + 1) = ;41 |
27 | 8t2e16 12201 | . . . . . . . 8 ⊢ (8 · 2) = ;16 | |
28 | 21, 3, 22, 23, 11, 9, 26, 27 | decmul2c 12152 | . . . . . . 7 ⊢ (8 · ;52) = ;;416 |
29 | 1, 5 | mulcomnni 39275 | . . . . . . 7 ⊢ (8 · ;52) = (;52 · 8) |
30 | 28, 29 | eqtr3i 2823 | . . . . . 6 ⊢ ;;416 = (;52 · 8) |
31 | 30 | oveq1i 7145 | . . . . 5 ⊢ (;;416 + 4) = ((;52 · 8) + 4) |
32 | 20, 31 | eqtr3i 2823 | . . . 4 ⊢ ;;420 = ((;52 · 8) + 4) |
33 | 32 | oveq2i 7146 | . . 3 ⊢ (8 gcd ;;420) = (8 gcd ((;52 · 8) + 4)) |
34 | 7, 33 | eqtr4i 2824 | . 2 ⊢ (8 gcd 4) = (8 gcd ;;420) |
35 | 1, 2 | gcdcomnni 39276 | . . 3 ⊢ (8 gcd 4) = (4 gcd 8) |
36 | 4t2e8 11793 | . . . . 5 ⊢ (4 · 2) = 8 | |
37 | 36 | oveq2i 7146 | . . . 4 ⊢ (4 gcd (4 · 2)) = (4 gcd 8) |
38 | 2, 4 | gcdmultiplei 39281 | . . . 4 ⊢ (4 gcd (4 · 2)) = 4 |
39 | 37, 38 | eqtr3i 2823 | . . 3 ⊢ (4 gcd 8) = 4 |
40 | 35, 39 | eqtri 2821 | . 2 ⊢ (8 gcd 4) = 4 |
41 | 8, 4 | decnncl 12106 | . . . 4 ⊢ ;42 ∈ ℕ |
42 | 41 | decnncl2 12110 | . . 3 ⊢ ;;420 ∈ ℕ |
43 | 1, 42 | gcdcomnni 39276 | . 2 ⊢ (8 gcd ;;420) = (;;420 gcd 8) |
44 | 34, 40, 43 | 3eqtr3ri 2830 | 1 ⊢ (;;420 gcd 8) = 4 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 (class class class)co 7135 0cc0 10526 1c1 10527 + caddc 10529 · cmul 10531 2c2 11680 4c4 11682 5c5 11683 6c6 11684 8c8 11686 ;cdc 12086 gcd cgcd 15833 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-addrcl 10587 ax-mulcl 10588 ax-mulrcl 10589 ax-mulcom 10590 ax-addass 10591 ax-mulass 10592 ax-distr 10593 ax-i2m1 10594 ax-1ne0 10595 ax-1rid 10596 ax-rnegex 10597 ax-rrecex 10598 ax-cnre 10599 ax-pre-lttri 10600 ax-pre-lttrn 10601 ax-pre-ltadd 10602 ax-pre-mulgt0 10603 ax-pre-sup 10604 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-mpo 7140 df-om 7561 df-2nd 7672 df-wrecs 7930 df-recs 7991 df-rdg 8029 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-sup 8890 df-inf 8891 df-pnf 10666 df-mnf 10667 df-xr 10668 df-ltxr 10669 df-le 10670 df-sub 10861 df-neg 10862 df-div 11287 df-nn 11626 df-2 11688 df-3 11689 df-4 11690 df-5 11691 df-6 11692 df-7 11693 df-8 11694 df-9 11695 df-n0 11886 df-z 11970 df-dec 12087 df-uz 12232 df-rp 12378 df-seq 13365 df-exp 13426 df-cj 14450 df-re 14451 df-im 14452 df-sqrt 14586 df-abs 14587 df-dvds 15600 df-gcd 15834 |
This theorem is referenced by: 420lcm8e840 39299 |
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