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Mirrors > Home > MPE Home > Th. List > Mathboxes > 60lcm7e420 | Structured version Visualization version GIF version |
Description: The lcm of 60 and 7 is 420. (Contributed by metakunt, 25-Apr-2024.) |
Ref | Expression |
---|---|
60lcm7e420 | ⊢ (;60 lcm 7) = ;;420 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 6nn 12352 | . . 3 ⊢ 6 ∈ ℕ | |
2 | 1 | decnncl2 12754 | . 2 ⊢ ;60 ∈ ℕ |
3 | 7nn 12355 | . 2 ⊢ 7 ∈ ℕ | |
4 | 1nn 12274 | . 2 ⊢ 1 ∈ ℕ | |
5 | 4nn0 12542 | . . . 4 ⊢ 4 ∈ ℕ0 | |
6 | 2nn 12336 | . . . 4 ⊢ 2 ∈ ℕ | |
7 | 5, 6 | decnncl 12750 | . . 3 ⊢ ;42 ∈ ℕ |
8 | 7 | decnncl2 12754 | . 2 ⊢ ;;420 ∈ ℕ |
9 | 60gcd7e1 41986 | . 2 ⊢ (;60 gcd 7) = 1 | |
10 | 2nn0 12540 | . . . . . 6 ⊢ 2 ∈ ℕ0 | |
11 | 5, 10 | deccl 12745 | . . . . 5 ⊢ ;42 ∈ ℕ0 |
12 | 0nn0 12538 | . . . . 5 ⊢ 0 ∈ ℕ0 | |
13 | 11, 12 | deccl 12745 | . . . 4 ⊢ ;;420 ∈ ℕ0 |
14 | 13 | nn0cni 12535 | . . 3 ⊢ ;;420 ∈ ℂ |
15 | 14 | mullidi 11263 | . 2 ⊢ (1 · ;;420) = ;;420 |
16 | 7nn0 12545 | . . 3 ⊢ 7 ∈ ℕ0 | |
17 | 6nn0 12544 | . . 3 ⊢ 6 ∈ ℕ0 | |
18 | eqid 2734 | . . 3 ⊢ ;60 = ;60 | |
19 | 7cn 12357 | . . . . 5 ⊢ 7 ∈ ℂ | |
20 | 6cn 12354 | . . . . 5 ⊢ 6 ∈ ℂ | |
21 | 7t6e42 12843 | . . . . 5 ⊢ (7 · 6) = ;42 | |
22 | 19, 20, 21 | mulcomli 11267 | . . . 4 ⊢ (6 · 7) = ;42 |
23 | 2cn 12338 | . . . . 5 ⊢ 2 ∈ ℂ | |
24 | 23 | addridi 11445 | . . . 4 ⊢ (2 + 0) = 2 |
25 | 5, 10, 12, 22, 24 | decaddi 12790 | . . 3 ⊢ ((6 · 7) + 0) = ;42 |
26 | 0cn 11250 | . . . 4 ⊢ 0 ∈ ℂ | |
27 | 19 | mul01i 11448 | . . . . 5 ⊢ (7 · 0) = 0 |
28 | 12 | dec0h 12752 | . . . . . 6 ⊢ 0 = ;00 |
29 | 28 | eqcomi 2743 | . . . . 5 ⊢ ;00 = 0 |
30 | 27, 29 | eqtr4i 2765 | . . . 4 ⊢ (7 · 0) = ;00 |
31 | 19, 26, 30 | mulcomli 11267 | . . 3 ⊢ (0 · 7) = ;00 |
32 | 16, 17, 12, 18, 12, 12, 25, 31 | decmul1c 12795 | . 2 ⊢ (;60 · 7) = ;;420 |
33 | 2, 3, 4, 8, 9, 15, 32 | lcmeprodgcdi 41988 | 1 ⊢ (;60 lcm 7) = ;;420 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1536 (class class class)co 7430 0cc0 11152 1c1 11153 · cmul 11157 2c2 12318 4c4 12320 6c6 12322 7c7 12323 ;cdc 12730 lcm clcm 16621 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1791 ax-4 1805 ax-5 1907 ax-6 1964 ax-7 2004 ax-8 2107 ax-9 2115 ax-10 2138 ax-11 2154 ax-12 2174 ax-ext 2705 ax-sep 5301 ax-nul 5311 ax-pow 5370 ax-pr 5437 ax-un 7753 ax-cnex 11208 ax-resscn 11209 ax-1cn 11210 ax-icn 11211 ax-addcl 11212 ax-addrcl 11213 ax-mulcl 11214 ax-mulrcl 11215 ax-mulcom 11216 ax-addass 11217 ax-mulass 11218 ax-distr 11219 ax-i2m1 11220 ax-1ne0 11221 ax-1rid 11222 ax-rnegex 11223 ax-rrecex 11224 ax-cnre 11225 ax-pre-lttri 11226 ax-pre-lttrn 11227 ax-pre-ltadd 11228 ax-pre-mulgt0 11229 ax-pre-sup 11230 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1539 df-fal 1549 df-ex 1776 df-nf 1780 df-sb 2062 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2726 df-clel 2813 df-nfc 2889 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3377 df-reu 3378 df-rab 3433 df-v 3479 df-sbc 3791 df-csb 3908 df-dif 3965 df-un 3967 df-in 3969 df-ss 3979 df-pss 3982 df-nul 4339 df-if 4531 df-pw 4606 df-sn 4631 df-pr 4633 df-op 4637 df-uni 4912 df-iun 4997 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5582 df-eprel 5588 df-po 5596 df-so 5597 df-fr 5640 df-we 5642 df-xp 5694 df-rel 5695 df-cnv 5696 df-co 5697 df-dm 5698 df-rn 5699 df-res 5700 df-ima 5701 df-pred 6322 df-ord 6388 df-on 6389 df-lim 6390 df-suc 6391 df-iota 6515 df-fun 6564 df-fn 6565 df-f 6566 df-f1 6567 df-fo 6568 df-f1o 6569 df-fv 6570 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-om 7887 df-1st 8012 df-2nd 8013 df-frecs 8304 df-wrecs 8335 df-recs 8409 df-rdg 8448 df-1o 8504 df-2o 8505 df-er 8743 df-en 8984 df-dom 8985 df-sdom 8986 df-fin 8987 df-sup 9479 df-inf 9480 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11491 df-neg 11492 df-div 11918 df-nn 12264 df-2 12326 df-3 12327 df-4 12328 df-5 12329 df-6 12330 df-7 12331 df-8 12332 df-9 12333 df-n0 12524 df-z 12611 df-dec 12731 df-uz 12876 df-rp 13032 df-fz 13544 df-fl 13828 df-mod 13906 df-seq 14039 df-exp 14099 df-cj 15134 df-re 15135 df-im 15136 df-sqrt 15270 df-abs 15271 df-dvds 16287 df-gcd 16528 df-lcm 16623 df-prm 16705 |
This theorem is referenced by: lcm7un 42000 |
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