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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
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
47431199948623998 ~1991
47431463948629278 ~1991
474333612846001679 ~1992
47433959948679198 ~1991
47434979948699598 ~1991
474351612846109679 ~1992
474355812846134879 ~1992
47436899948737998 ~1991
47437151948743038 ~1991
474372173794977379 ~1992
474373634743736319 ~1993
Exponent Prime Factor Digits Year
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
47452271949045438 ~1991
474523732847142399 ~1992
47452871949057438 ~1991
47453863161343134310 ~1994
47455319949106398 ~1991
47456099949121998 ~1991
47457691189830764110 ~1994
474582317593316979 ~1993
474585012847510079 ~1992
47458643949172878 ~1991
47459063949181278 ~1991
Exponent Prime Factor Digits Year
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
474720772848324639 ~1992
47472311949446238 ~1991
474724932848349599 ~1992
47472539949450798 ~1991
47474209227876203310 ~1994
47476081104447378310 ~1993
47476489142429467110 ~1994
47477351949547038 ~1991
474779873798238979 ~1992
474784918546128399 ~1993
474804314748043119 ~1993
Exponent Prime Factor Digits Year
474815172848891039 ~1992
474829372848976239 ~1992
47483399949667998 ~1991
47483981142451943110 ~1994
47484677493840640910 ~1995
474847973798783779 ~1992
47486531949730638 ~1991
47487299949745998 ~1991
47488703379909624110 ~1995
474899093799192739 ~1992
474899213799193699 ~1992
474912372849474239 ~1992
47492051949841038 ~1991
47492603949852078 ~1991
474931577598905139 ~1993
474933176649064399 ~1993
474934372849606239 ~1992
47495699949913998 ~1991
47495963113990311310 ~1994
47496469189985876110 ~1994
47498699151995836910 ~1994
474989812849938879 ~1992
47499131949982638 ~1991
47499671949993438 ~1991
475003572850021439 ~1992
2004
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25-04-13