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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
30897983617959678 ~1990
30898271617965438 ~1990
30898823617976478 ~1990
30899003617980078 ~1990
30899399617987998 ~1990
308995731853974399 ~1991
30899651617993038 ~1990
30899831617996638 ~1990
309002577416061699 ~1992
30900323618006478 ~1990
30900491618009838 ~1990
30900539618010798 ~1990
309009712472077699 ~1991
309011477416275299 ~1992
30901691618033838 ~1990
309020931854125599 ~1991
30902219618044398 ~1990
30902771618055438 ~1990
30903143618062878 ~1990
30903539618070798 ~1990
309044571854267439 ~1991
30904463618089278 ~1990
30904619618092398 ~1990
30905579618111598 ~1990
30905783618115678 ~1990
Exponent Prime Factor Digits Year
30906191618123838 ~1990
30906299618125998 ~1990
30906311618126238 ~1990
30907451618149038 ~1990
30907619618152398 ~1990
30907631618152638 ~1990
30908051618161038 ~1990
30908723618174478 ~1990
30908903618178078 ~1990
30908963618179278 ~1990
30909071618181438 ~1990
30909083618181678 ~1990
309093793090937919 ~1991
30909491618189838 ~1990
309095771854574639 ~1991
309097971854587839 ~1991
309107211854643279 ~1991
30910871618217438 ~1990
30911291618225838 ~1990
30911579618231598 ~1990
30911843618236878 ~1990
30912683618253678 ~1990
30912803618256078 ~1990
309130672473045379 ~1991
30913271618265438 ~1990
Exponent Prime Factor Digits Year
30913559618271198 ~1990
30913583618271678 ~1990
30914459618289198 ~1990
30914519618290398 ~1990
30914531618290638 ~1990
30914711618294238 ~1990
30914759618295198 ~1990
30915431618308638 ~1990
30915491618309838 ~1990
30915539618310798 ~1990
30916103618322078 ~1990
30916859618337198 ~1990
30917039618340798 ~1990
309170715565072799 ~1992
309175633091756319 ~1991
309178972473431779 ~1991
30918203618364078 ~1990
30918323618366478 ~1990
30918623618372478 ~1990
30919211618384238 ~1990
30919331618386638 ~1990
30919943618398878 ~1990
30920171618403438 ~1990
309204016802488239 ~1992
309210193092101919 ~1991
Exponent Prime Factor Digits Year
309223211855339279 ~1991
30922403618448078 ~1990
30923099618461998 ~1990
30923723618474478 ~1990
30924059618481198 ~1990
30924203618484078 ~1990
30924539618490798 ~1990
30924671618493438 ~1990
30924779618495598 ~1990
30924851618497038 ~1990
30925151618503038 ~1990
30925211618504238 ~1990
30925403618508078 ~1990
30925463618509278 ~1990
309255374948085939 ~1992
30925619618512398 ~1990
30925679618513598 ~1990
309257811855546879 ~1991
309264531855587199 ~1991
30926543618530878 ~1990
309266574329731999 ~1992
30928283222683637710 ~1993
30928643618572878 ~1990
30929027173202551310 ~1993
309292795567270239 ~1992
1857
GIMPS The Prime Pages FactorDb.com
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26-04-05