| Mathbox for Alexander van der Vekens |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > m11nprm | Structured version Visualization version GIF version | ||
| Description: The eleventh Mersenne number M11 = 2047 is not a prime number. (Contributed by AV, 18-Aug-2021.) |
| Ref | Expression |
|---|---|
| m11nprm | ⊢ ((2↑;11) − 1) = (;89 · ;23) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2nn0 12650 | . . . . 5 ⊢ 2 ∈ ℕ0 | |
| 2 | 0nn0 12648 | . . . . 5 ⊢ 0 ∈ ℕ0 | |
| 3 | 1, 2 | deccl 12856 | . . . 4 ⊢ ;20 ∈ ℕ0 |
| 4 | 4nn0 12652 | . . . 4 ⊢ 4 ∈ ℕ0 | |
| 5 | 3, 4 | deccl 12856 | . . 3 ⊢ ;;204 ∈ ℕ0 |
| 6 | 8nn0 12656 | . . 3 ⊢ 8 ∈ ℕ0 | |
| 7 | 1nn0 12649 | . . 3 ⊢ 1 ∈ ℕ0 | |
| 8 | 2exp11 17296 | . . 3 ⊢ (2↑;11) = ;;;2048 | |
| 9 | 4p1e5 12515 | . . . 4 ⊢ (4 + 1) = 5 | |
| 10 | eqid 2763 | . . . 4 ⊢ ;;204 = ;;204 | |
| 11 | 3, 4, 9, 10 | decsuc 12877 | . . 3 ⊢ (;;204 + 1) = ;;205 |
| 12 | 8m1e7 12502 | . . 3 ⊢ (8 − 1) = 7 | |
| 13 | 5, 6, 7, 8, 11, 12 | decsubi 12909 | . 2 ⊢ ((2↑;11) − 1) = ;;;2047 |
| 14 | 3nn0 12651 | . . . 4 ⊢ 3 ∈ ℕ0 | |
| 15 | 1, 14 | deccl 12856 | . . 3 ⊢ ;23 ∈ ℕ0 |
| 16 | 9nn0 12657 | . . 3 ⊢ 9 ∈ ℕ0 | |
| 17 | eqid 2763 | . . 3 ⊢ ;89 = ;89 | |
| 18 | 7nn0 12655 | . . 3 ⊢ 7 ∈ ℕ0 | |
| 19 | eqid 2763 | . . . 4 ⊢ ;23 = ;23 | |
| 20 | eqid 2763 | . . . 4 ⊢ ;20 = ;20 | |
| 21 | 8t2e16 12961 | . . . . . 6 ⊢ (8 · 2) = ;16 | |
| 22 | 2p2e4 12504 | . . . . . 6 ⊢ (2 + 2) = 4 | |
| 23 | 21, 22 | oveq12i 7455 | . . . . 5 ⊢ ((8 · 2) + (2 + 2)) = (;16 + 4) |
| 24 | 6nn0 12654 | . . . . . 6 ⊢ 6 ∈ ℕ0 | |
| 25 | eqid 2763 | . . . . . 6 ⊢ ;16 = ;16 | |
| 26 | 1p1e2 12493 | . . . . . 6 ⊢ (1 + 1) = 2 | |
| 27 | 6p4e10 12918 | . . . . . 6 ⊢ (6 + 4) = ;10 | |
| 28 | 7, 24, 4, 25, 26, 27 | decaddci2 12908 | . . . . 5 ⊢ (;16 + 4) = ;20 |
| 29 | 23, 28 | eqtri 2786 | . . . 4 ⊢ ((8 · 2) + (2 + 2)) = ;20 |
| 30 | 8t3e24 12962 | . . . . . 6 ⊢ (8 · 3) = ;24 | |
| 31 | 30 | oveq1i 7453 | . . . . 5 ⊢ ((8 · 3) + 0) = (;24 + 0) |
| 32 | 1, 4 | deccl 12856 | . . . . . . 7 ⊢ ;24 ∈ ℕ0 |
| 33 | 32 | nn0cni 12645 | . . . . . 6 ⊢ ;24 ∈ ℂ |
| 34 | 33 | addridi 11524 | . . . . 5 ⊢ (;24 + 0) = ;24 |
| 35 | 31, 34 | eqtri 2786 | . . . 4 ⊢ ((8 · 3) + 0) = ;24 |
| 36 | 1, 14, 1, 2, 19, 20, 6, 4, 1, 29, 35 | decma2c 12899 | . . 3 ⊢ ((8 · ;23) + ;20) = ;;204 |
| 37 | 9t2e18 12968 | . . . . 5 ⊢ (9 · 2) = ;18 | |
| 38 | 8p2e10 12926 | . . . . 5 ⊢ (8 + 2) = ;10 | |
| 39 | 7, 6, 1, 37, 26, 38 | decaddci2 12908 | . . . 4 ⊢ ((9 · 2) + 2) = ;20 |
| 40 | 9t3e27 12969 | . . . 4 ⊢ (9 · 3) = ;27 | |
| 41 | 16, 1, 14, 19, 18, 1, 39, 40 | decmul2c 12912 | . . 3 ⊢ (9 · ;23) = ;;207 |
| 42 | 15, 6, 16, 17, 18, 3, 36, 41 | decmul1c 12911 | . 2 ⊢ (;89 · ;23) = ;;;2047 |
| 43 | 13, 42 | eqtr4i 2789 | 1 ⊢ ((2↑;11) − 1) = (;89 · ;23) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7443 0cc0 11227 1c1 11228 + caddc 11230 · cmul 11232 − cmin 11568 2c2 12424 3c3 12425 4c4 12426 5c5 12427 6c6 12428 7c7 12429 8c8 12430 9c9 12431 ;cdc 12841 ↑cexp 14231 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-nn 12363 df-2 12432 df-3 12433 df-4 12434 df-5 12435 df-6 12436 df-7 12437 df-8 12438 df-9 12439 df-n0 12634 df-z 12721 df-dec 12842 df-uz 12993 df-seq 14172 df-exp 14232 |
| This theorem is used by: (None) |
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