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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
10168979203379598 ~1986
101692731423698239 ~1988
10169897610193838 ~1987
10169903203398078 ~1986
10170053610203198 ~1987
10170203203404078 ~1986
10170551203411038 ~1986
10170593610235598 ~1987
10171019203420398 ~1986
101711111017111119 ~1987
10171297610277838 ~1987
10171391203427838 ~1986
10171853610311198 ~1987
10171883203437678 ~1986
101720171627522739 ~1988
10172161610329678 ~1987
10172399203447998 ~1986
10172483203449678 ~1986
10172497610349838 ~1987
101727171424180399 ~1988
10172759203455198 ~1986
101728011943004991111 ~1993
10172843203456878 ~1986
10173203203464078 ~1986
10173491203469838 ~1986
Exponent Prime Factor Digits Year
10173551813884098 ~1987
101737271017372719 ~1987
10174037610442238 ~1987
101740792441778979 ~1988
101742472441819299 ~1988
101742771424398799 ~1988
10174433610465998 ~1987
101745371627925939 ~1988
10174799203495998 ~1986
101748111831465999 ~1988
10174817610489038 ~1987
10174919203498398 ~1986
10174981610498878 ~1987
10174991203499838 ~1986
10175183203503678 ~1986
10175189814015138 ~1987
101751891424526479
101752391831543039 ~1988
101755793256185299 ~1989
101758271017582719 ~1987
10175861610551678 ~1987
10176059203521198 ~1986
10176121610567278 ~1987
10176653610599198 ~1987
10176791203535838 ~1986
Exponent Prime Factor Digits Year
10176917610615038 ~1987
101770192442484579 ~1988
10177031203540638 ~1986
10177093610625598 ~1987
10177361610641678 ~1987
10177379203547598 ~1986
10177397610643838 ~1987
10177613610656798 ~1987
10178111203562238 ~1986
101786471017864719 ~1987
10178657610719438 ~1987
10178717610723038 ~1987
10178933610735998 ~1987
10179161610749678 ~1987
101792871832271679 ~1988
10179557814364578 ~1987
101796794071871619 ~1989
10179781610786878 ~1987
10179803203596078 ~1986
101798575497122799 ~1989
10179901610794078 ~1987
101801292239628399 ~1988
101802535497336639 ~1989
10180451203609038 ~1986
10180601814448098 ~1987
Exponent Prime Factor Digits Year
10180673610840398 ~1987
10181057610863438 ~1987
10181159814492738 ~1987
10181399814511938 ~1987
10181597610895838 ~1987
10182239203644798 ~1986
101824932443798339 ~1988
10182563203651278 ~1986
10182581610954878 ~1987
10182617610957038 ~1987
10183571203671438 ~1986
10183973611038398 ~1987
10184039203680798 ~1986
10184243203684878 ~1986
101845792444298979 ~1988
101845794888597939
10184591203691838 ~1986
10184807814784578 ~1987
10185011203700238 ~1986
10185107814808578 ~1987
10185359203707198 ~1986
10185443203708878 ~1986
10185493611129598 ~1987
10185611203712238 ~1986
10185611814848898
1051
GIMPS The Prime Pages FactorDb.com
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25-10-20