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| Description: The primorial of 5. (Contributed by AV, 28-Aug-2020.) | 
| Ref | Expression | 
|---|---|
| prmo5 | ⊢ (#p‘5) = ;30 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | 5nn 12353 | . . 3 ⊢ 5 ∈ ℕ | |
| 2 | prmonn2 17078 | . . 3 ⊢ (5 ∈ ℕ → (#p‘5) = if(5 ∈ ℙ, ((#p‘(5 − 1)) · 5), (#p‘(5 − 1)))) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ (#p‘5) = if(5 ∈ ℙ, ((#p‘(5 − 1)) · 5), (#p‘(5 − 1))) | 
| 4 | 5prm 17147 | . . . 4 ⊢ 5 ∈ ℙ | |
| 5 | 4 | iftruei 4531 | . . 3 ⊢ if(5 ∈ ℙ, ((#p‘(5 − 1)) · 5), (#p‘(5 − 1))) = ((#p‘(5 − 1)) · 5) | 
| 6 | 5m1e4 12397 | . . . . . . 7 ⊢ (5 − 1) = 4 | |
| 7 | 6 | fveq2i 6908 | . . . . . 6 ⊢ (#p‘(5 − 1)) = (#p‘4) | 
| 8 | prmo4 17166 | . . . . . 6 ⊢ (#p‘4) = 6 | |
| 9 | 7, 8 | eqtri 2764 | . . . . 5 ⊢ (#p‘(5 − 1)) = 6 | 
| 10 | 9 | oveq1i 7442 | . . . 4 ⊢ ((#p‘(5 − 1)) · 5) = (6 · 5) | 
| 11 | 6t5e30 12842 | . . . 4 ⊢ (6 · 5) = ;30 | |
| 12 | 10, 11 | eqtri 2764 | . . 3 ⊢ ((#p‘(5 − 1)) · 5) = ;30 | 
| 13 | 5, 12 | eqtri 2764 | . 2 ⊢ if(5 ∈ ℙ, ((#p‘(5 − 1)) · 5), (#p‘(5 − 1))) = ;30 | 
| 14 | 3, 13 | eqtri 2764 | 1 ⊢ (#p‘5) = ;30 | 
| Colors of variables: wff setvar class | 
| Syntax hints: = wceq 1539 ∈ wcel 2107 ifcif 4524 ‘cfv 6560 (class class class)co 7432 0cc0 11156 1c1 11157 · cmul 11161 − cmin 11493 ℕcn 12267 3c3 12323 4c4 12324 5c5 12325 6c6 12326 ;cdc 12735 ℙcprime 16709 #pcprmo 17070 | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2707 ax-rep 5278 ax-sep 5295 ax-nul 5305 ax-pow 5364 ax-pr 5431 ax-un 7756 ax-inf2 9682 ax-cnex 11212 ax-resscn 11213 ax-1cn 11214 ax-icn 11215 ax-addcl 11216 ax-addrcl 11217 ax-mulcl 11218 ax-mulrcl 11219 ax-mulcom 11220 ax-addass 11221 ax-mulass 11222 ax-distr 11223 ax-i2m1 11224 ax-1ne0 11225 ax-1rid 11226 ax-rnegex 11227 ax-rrecex 11228 ax-cnre 11229 ax-pre-lttri 11230 ax-pre-lttrn 11231 ax-pre-ltadd 11232 ax-pre-mulgt0 11233 ax-pre-sup 11234 | 
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2064 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2728 df-clel 2815 df-nfc 2891 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3379 df-reu 3380 df-rab 3436 df-v 3481 df-sbc 3788 df-csb 3899 df-dif 3953 df-un 3955 df-in 3957 df-ss 3967 df-pss 3970 df-nul 4333 df-if 4525 df-pw 4601 df-sn 4626 df-pr 4628 df-op 4632 df-uni 4907 df-int 4946 df-iun 4992 df-br 5143 df-opab 5205 df-mpt 5225 df-tr 5259 df-id 5577 df-eprel 5583 df-po 5591 df-so 5592 df-fr 5636 df-se 5637 df-we 5638 df-xp 5690 df-rel 5691 df-cnv 5692 df-co 5693 df-dm 5694 df-rn 5695 df-res 5696 df-ima 5697 df-pred 6320 df-ord 6386 df-on 6387 df-lim 6388 df-suc 6389 df-iota 6513 df-fun 6562 df-fn 6563 df-f 6564 df-f1 6565 df-fo 6566 df-f1o 6567 df-fv 6568 df-isom 6569 df-riota 7389 df-ov 7435 df-oprab 7436 df-mpo 7437 df-om 7889 df-1st 8015 df-2nd 8016 df-frecs 8307 df-wrecs 8338 df-recs 8412 df-rdg 8451 df-1o 8507 df-2o 8508 df-er 8746 df-en 8987 df-dom 8988 df-sdom 8989 df-fin 8990 df-sup 9483 df-inf 9484 df-oi 9551 df-card 9980 df-pnf 11298 df-mnf 11299 df-xr 11300 df-ltxr 11301 df-le 11302 df-sub 11495 df-neg 11496 df-div 11922 df-nn 12268 df-2 12330 df-3 12331 df-4 12332 df-5 12333 df-6 12334 df-7 12335 df-8 12336 df-9 12337 df-n0 12529 df-z 12616 df-dec 12736 df-uz 12880 df-rp 13036 df-fz 13549 df-fzo 13696 df-seq 14044 df-exp 14104 df-hash 14371 df-cj 15139 df-re 15140 df-im 15141 df-sqrt 15275 df-abs 15276 df-clim 15525 df-prod 15941 df-dvds 16292 df-prm 16710 df-prmo 17071 | 
| This theorem is referenced by: prmo6 17168 | 
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