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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.
Exponent Prime Factor Digits Year
473851613790812899 ~1992
47386379947727598 ~1991
47387243947744878 ~1991
47389271947785438 ~1991
47390111947802238 ~1991
473908012843448079 ~1992
47391023947820478 ~1991
47392223947844478 ~1991
47392703947854078 ~1991
47396099947921998 ~1991
473969714739697119 ~1993
47397263947945278 ~1991
47397299947945998 ~1991
47398451947969038 ~1991
473990693791925539 ~1992
47399783947995678 ~1991
47399939947998798 ~1991
474021612844129679 ~1992
47402339948046798 ~1991
474031994740319919 ~1993
47403731948074638 ~1991
47404583948091678 ~1991
47405003948100078 ~1991
474055973792447779 ~1992
47406371948127438 ~1991
Exponent Prime Factor Digits Year
47407319948146398 ~1991
474080993792647939 ~1992
47408183948163678 ~1991
47409599948191998 ~1991
47410043948200878 ~1991
47411879948237598 ~1991
47413979948279598 ~1991
474140696637969679 ~1993
47414651948293038 ~1991
47415743948314878 ~1991
474159176638228399 ~1993
47416223948324478 ~1991
47416679948333598 ~1991
47417411312954912710 ~1995
474192132845152799 ~1992
47419439948388798 ~1991
47419499948389998 ~1991
47419811948396238 ~1991
47422031948440638 ~1991
47422811948456238 ~1991
474229673793837379 ~1992
47429051948581038 ~1991
47429183948583678 ~1991
47429639948592798 ~1991
47429831948596638 ~1991
Exponent Prime Factor Digits Year
47431199948623998 ~1991
47431463948629278 ~1991
474333612846001679 ~1992
47433959948679198 ~1991
47434979948699598 ~1991
474351612846109679 ~1992
474355812846134879 ~1992
47436899948737998 ~1991
47437151948743038 ~1991
474372173794977379 ~1992
474373634743736319 ~1993
474383093795064739 ~1992
47438999948779998 ~1991
47439071948781438 ~1991
47439659948793198 ~1991
47439839948796798 ~1991
474410273795282179 ~1992
474413336641786639 ~1993
47442683948853678 ~1991
47443079948861598 ~1991
47445059948901198 ~1991
47446271948925438 ~1991
47447363948947278 ~1991
47447831948956638 ~1991
47451143949022878 ~1991
Exponent Prime Factor Digits Year
47452271949045438 ~1991
474523732847142399 ~1992
47452871949057438 ~1991
47453863161343134310 ~1994
47455319949106398 ~1991
47456099949121998 ~1991
47457691189830764110 ~1994
474582317593316979 ~1993
474585012847510079 ~1992
47458643949172878 ~1991
47459063949181278 ~1991
47461283949225678 ~1991
474619932847719599 ~1992
474620812847724879 ~1992
47464583949291678 ~1991
47466037446180747910 ~1995
47466311949326238 ~1991
474668477594695539 ~1993
47467103949342078 ~1991
47467499949349998 ~1991
47467513104428528710 ~1993
47468483949369678 ~1991
474687176645620399 ~1993
47470931949418638 ~1991
47471003949420078 ~1991
2037
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25-06-08