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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
232640346528077 ~1981
2326517139591038 ~1982
2326747791093998 ~1984
2326781186142498 ~1982
23267991675295299 ~1985
232705146541037 ~1981
2327197372351538 ~1983
23272072792648419 ~1985
23272432234153299 ~1985
232739946547997 ~1981
2327399186191938
2327401139644078 ~1982
2327473372395698 ~1983
232763946552797 ~1981
2327701139662078 ~1982
2327737139664238 ~1982
2327797139667838 ~1982
2327909186232738 ~1982
2327959558710178 ~1983
2328181512199838 ~1983
232825146565037 ~1981
2328281186262498 ~1982
2328283391151544110 ~1988
2328653698595918 ~1984
2328713139722798 ~1982
Exp. Prime Factor Digits Year
2329081139744878 ~1982
23290811071377279
2329091186327298 ~1982
2329259186340738 ~1982
2329387372701938 ~1983
2329513139770798 ~1982
2329513698853918
23295131677249379
2329517326132398 ~1983
2329577139774638 ~1982
2329813512558878 ~1983
2329849512566798 ~1983
2330051186404098 ~1982
2330161372825778 ~1983
2330203233020318 ~1982
233045946609197 ~1981
233059146611837 ~1981
2330617372898738 ~1983
2330641699192318 ~1984
2330641932256418
2330663745812178 ~1984
233077146615437 ~1981
2330827372932338 ~1983
2330893512796478 ~1983
233090346618077 ~1981
Exp. Prime Factor Digits Year
2331127419602878 ~1983
2331253699375918 ~1984
2331271373003378 ~1983
2331353139881198 ~1982
2331367233136718 ~1982
2331391419650398 ~1983
2331557186524578 ~1982
23315992844550799 ~1985
2331697139901838 ~1982
2331733139903998 ~1982
233213946642797 ~1981
2332181139930878 ~1982
23323131306095299 ~1984
2332321932928418 ~1984
2332373326532238 ~1983
2332397186591778 ~1982
233252346650477 ~1981
2332607186608578 ~1982
23327036158335939 ~1986
2332831233283118 ~1982
2332849699854718 ~1984
233293146658637 ~1981
2332987373277938 ~1983
2332997139979838 ~1982
2333129186650338 ~1982
Exp. Prime Factor Digits Year
2333161373305778 ~1983
233323146664637 ~1981
23333476393370799 ~1986
2333473140008398 ~1982
2333477140008638 ~1982
233348346669677 ~1981
233353146670637 ~1981
2333533140011998 ~1982
2333549700064718 ~1984
233365146673037 ~1981
2333759186700738 ~1982
2333767373402738 ~1983
233378346675677 ~1981
2333801186704098 ~1982
2333873140032398 ~1982
2333993700197918 ~1984
2334023606845998 ~1983
2334037140042238 ~1982
2334251420165198 ~1983
233426346685277 ~1981
2334337373493938 ~1983
23344072100966319 ~1985
2334509326831278 ~1983
23345571307351939 ~1984
2334643233464318 ~1982
435
GIMPS The Prime Pages FactorDb.com
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26-02-08