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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 11719 | . . . 4 ⊢ 8 ∈ ℕ | |
2 | 4nn 11707 | . . . 4 ⊢ 4 ∈ ℕ | |
3 | 5nn0 11904 | . . . . . 6 ⊢ 5 ∈ ℕ0 | |
4 | 2nn 11697 | . . . . . 6 ⊢ 2 ∈ ℕ | |
5 | 3, 4 | decnncl 12105 | . . . . 5 ⊢ ;52 ∈ ℕ |
6 | 5 | nnzi 11993 | . . . 4 ⊢ ;52 ∈ ℤ |
7 | 1, 2, 6 | gcdaddmzz2nncomi 39139 | . . 3 ⊢ (8 gcd 4) = (8 gcd ((;52 · 8) + 4)) |
8 | 4nn0 11903 | . . . . . . 7 ⊢ 4 ∈ ℕ0 | |
9 | 1nn0 11900 | . . . . . . 7 ⊢ 1 ∈ ℕ0 | |
10 | 8, 9 | deccl 12100 | . . . . . 6 ⊢ ;41 ∈ ℕ0 |
11 | 6nn0 11905 | . . . . . 6 ⊢ 6 ∈ ℕ0 | |
12 | 0nn0 11899 | . . . . . 6 ⊢ 0 ∈ ℕ0 | |
13 | eqid 2821 | . . . . . 6 ⊢ ;;416 = ;;416 | |
14 | 8 | dec0h 12107 | . . . . . 6 ⊢ 4 = ;04 |
15 | 1p1e2 11749 | . . . . . . 7 ⊢ (1 + 1) = 2 | |
16 | 10 | nn0cni 11896 | . . . . . . . 8 ⊢ ;41 ∈ ℂ |
17 | 16 | addid1i 10813 | . . . . . . 7 ⊢ (;41 + 0) = ;41 |
18 | 8, 9, 15, 17 | decsuc 12116 | . . . . . 6 ⊢ ((;41 + 0) + 1) = ;42 |
19 | 6p4e10 12157 | . . . . . 6 ⊢ (6 + 4) = ;10 | |
20 | 10, 11, 12, 8, 13, 14, 18, 19 | decaddc2 12141 | . . . . 5 ⊢ (;;416 + 4) = ;;420 |
21 | 8nn0 11907 | . . . . . . . 8 ⊢ 8 ∈ ℕ0 | |
22 | 2nn0 11901 | . . . . . . . 8 ⊢ 2 ∈ ℕ0 | |
23 | eqid 2821 | . . . . . . . 8 ⊢ ;52 = ;52 | |
24 | 0p1e1 11746 | . . . . . . . . 9 ⊢ (0 + 1) = 1 | |
25 | 8t5e40 12203 | . . . . . . . . 9 ⊢ (8 · 5) = ;40 | |
26 | 8, 12, 24, 25 | decsuc 12116 | . . . . . . . 8 ⊢ ((8 · 5) + 1) = ;41 |
27 | 8t2e16 12200 | . . . . . . . 8 ⊢ (8 · 2) = ;16 | |
28 | 21, 3, 22, 23, 11, 9, 26, 27 | decmul2c 12151 | . . . . . . 7 ⊢ (8 · ;52) = ;;416 |
29 | 1, 5 | mulcomnni 39133 | . . . . . . 7 ⊢ (8 · ;52) = (;52 · 8) |
30 | 28, 29 | eqtr3i 2846 | . . . . . 6 ⊢ ;;416 = (;52 · 8) |
31 | 30 | oveq1i 7152 | . . . . 5 ⊢ (;;416 + 4) = ((;52 · 8) + 4) |
32 | 20, 31 | eqtr3i 2846 | . . . 4 ⊢ ;;420 = ((;52 · 8) + 4) |
33 | 32 | oveq2i 7153 | . . 3 ⊢ (8 gcd ;;420) = (8 gcd ((;52 · 8) + 4)) |
34 | 7, 33 | eqtr4i 2847 | . 2 ⊢ (8 gcd 4) = (8 gcd ;;420) |
35 | 1, 2 | gcdcomnni 39134 | . . 3 ⊢ (8 gcd 4) = (4 gcd 8) |
36 | 4t2e8 11792 | . . . . 5 ⊢ (4 · 2) = 8 | |
37 | 36 | oveq2i 7153 | . . . 4 ⊢ (4 gcd (4 · 2)) = (4 gcd 8) |
38 | 2, 4 | gcdmultiplei 39137 | . . . 4 ⊢ (4 gcd (4 · 2)) = 4 |
39 | 37, 38 | eqtr3i 2846 | . . 3 ⊢ (4 gcd 8) = 4 |
40 | 35, 39 | eqtri 2844 | . 2 ⊢ (8 gcd 4) = 4 |
41 | 8, 4 | decnncl 12105 | . . . 4 ⊢ ;42 ∈ ℕ |
42 | 41 | decnncl2 12109 | . . 3 ⊢ ;;420 ∈ ℕ |
43 | 1, 42 | gcdcomnni 39134 | . 2 ⊢ (8 gcd ;;420) = (;;420 gcd 8) |
44 | 34, 40, 43 | 3eqtr3ri 2853 | 1 ⊢ (;;420 gcd 8) = 4 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 (class class class)co 7142 0cc0 10523 1c1 10524 + caddc 10526 · cmul 10528 2c2 11679 4c4 11681 5c5 11682 6c6 11683 8c8 11685 ;cdc 12085 gcd cgcd 15826 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5189 ax-nul 5196 ax-pow 5252 ax-pr 5316 ax-un 7447 ax-cnex 10579 ax-resscn 10580 ax-1cn 10581 ax-icn 10582 ax-addcl 10583 ax-addrcl 10584 ax-mulcl 10585 ax-mulrcl 10586 ax-mulcom 10587 ax-addass 10588 ax-mulass 10589 ax-distr 10590 ax-i2m1 10591 ax-1ne0 10592 ax-1rid 10593 ax-rnegex 10594 ax-rrecex 10595 ax-cnre 10596 ax-pre-lttri 10597 ax-pre-lttrn 10598 ax-pre-ltadd 10599 ax-pre-mulgt0 10600 ax-pre-sup 10601 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3488 df-sbc 3764 df-csb 3872 df-dif 3927 df-un 3929 df-in 3931 df-ss 3940 df-pss 3942 df-nul 4280 df-if 4454 df-pw 4527 df-sn 4554 df-pr 4556 df-tp 4558 df-op 4560 df-uni 4825 df-iun 4907 df-br 5053 df-opab 5115 df-mpt 5133 df-tr 5159 df-id 5446 df-eprel 5451 df-po 5460 df-so 5461 df-fr 5500 df-we 5502 df-xp 5547 df-rel 5548 df-cnv 5549 df-co 5550 df-dm 5551 df-rn 5552 df-res 5553 df-ima 5554 df-pred 6134 df-ord 6180 df-on 6181 df-lim 6182 df-suc 6183 df-iota 6300 df-fun 6343 df-fn 6344 df-f 6345 df-f1 6346 df-fo 6347 df-f1o 6348 df-fv 6349 df-riota 7100 df-ov 7145 df-oprab 7146 df-mpo 7147 df-om 7567 df-2nd 7676 df-wrecs 7933 df-recs 7994 df-rdg 8032 df-er 8275 df-en 8496 df-dom 8497 df-sdom 8498 df-sup 8892 df-inf 8893 df-pnf 10663 df-mnf 10664 df-xr 10665 df-ltxr 10666 df-le 10667 df-sub 10858 df-neg 10859 df-div 11284 df-nn 11625 df-2 11687 df-3 11688 df-4 11689 df-5 11690 df-6 11691 df-7 11692 df-8 11693 df-9 11694 df-n0 11885 df-z 11969 df-dec 12086 df-uz 12231 df-rp 12377 df-seq 13360 df-exp 13420 df-cj 14443 df-re 14444 df-im 14445 df-sqrt 14579 df-abs 14580 df-dvds 15593 df-gcd 15827 |
This theorem is referenced by: 420lcm8e840 39149 |
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