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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
3216457192987438 ~1983
32165231286609219 ~1985
32165234953445439
321665964333197 ~1982
3216677450334798 ~1984
3216827772038498 ~1984
3216853772044738 ~1984
3216979321697918 ~1984
3217241193034478 ~1983
3217337193040238 ~1983
3217429707834398 ~1984
3217477514796338 ~1984
3217519579153438 ~1984
321755964351197 ~1982
3217699579185838 ~1984
3217937450511198 ~1984
3217997193079838 ~1983
321800364360077 ~1982
3218027257442178 ~1983
3218093193085598 ~1983
3218207836733838 ~1985
321863964372797 ~1982
321871164374237 ~1982
3218807579385278 ~1984
3218861193131678 ~1983
Exp. Prime Factor Digits Year
32190191867031039 ~1985
3219221193153278 ~1983
3219233193153998 ~1983
321947964389597 ~1982
3219847515175538 ~1984
3219857257588578 ~1983
321995964399197 ~1982
3219959257596738
3219973515195698 ~1984
322016364403277 ~1982
32201691223664239 ~1985
322027164405437 ~1982
322049964409997 ~1982
3220681708549838 ~1984
3220771515323378 ~1984
3220799772991778 ~1984
3221017966305118 ~1985
322106364421277 ~1982
322111164422237 ~1982
32213272577061619 ~1986
3221453451003438 ~1984
3221717193303038 ~1983
322181964436397 ~1982
322195164439037 ~1982
32219711546546099 ~1985
Exp. Prime Factor Digits Year
3222031322203118 ~1984
3222059257764738 ~1983
322208364441677 ~1982
3222187579993678 ~1984
32223011546704499 ~1985
3222337193340238 ~1983
3222551580059198 ~1984
3222629257810338 ~1983
3222689257815138 ~1983
3222689966806718
32227631289105219 ~1985
3222859773486178 ~1984
32228831095780239 ~1985
3222937515669938 ~1984
32229912900691919 ~1986
32230071547043379 ~1985
3223061257844898 ~1983
322307964461597 ~1982
3223153193389198 ~1983
3223481193408878 ~1983
3223541193412478 ~1983
32235671869668879 ~1985
3223687322368718 ~1984
3223793193427598 ~1983
3223799257903938 ~1983
Exp. Prime Factor Digits Year
322391964478397 ~1982
322399164479837 ~1982
322405164481037 ~1982
3224051257924098
322415964483197 ~1982
3224461709381438 ~1984
322472364494477 ~1982
3224833709463278 ~1984
3224909257992738 ~1983
3224929709484398 ~1984
3225073193504398 ~1983
3225139322513918 ~1984
322514364502877 ~1982
3225151516024178 ~1984
32253733031850639 ~1986
3225749451604878 ~1984
322577964515597 ~1982
32257931483864799 ~1985
3225821258065698 ~1983
32258232129043199 ~1986
3225841193550478 ~1983
3225841709685038
32259492838835139 ~1986
3226031258082498 ~1983
3226151258092098 ~1983
538
GIMPS The Prime Pages FactorDb.com
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26-03-15