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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
30915539618310798 ~1990
30916103618322078 ~1990
30916859618337198 ~1990
30917039618340798 ~1990
309170715565072799 ~1992
309178972473431779 ~1991
30918203618364078 ~1990
30918323618366478 ~1990
30918623618372478 ~1990
30919211618384238 ~1990
30919331618386638 ~1990
30919943618398878 ~1990
30920171618403438 ~1990
309204016802488239 ~1992
309223211855339279 ~1991
30922403618448078 ~1990
30923099618461998 ~1990
30923723618474478 ~1990
30924059618481198 ~1990
30924203618484078 ~1990
30924539618490798 ~1990
30924671618493438 ~1990
30924779618495598 ~1990
30924851618497038 ~1990
30925151618503038 ~1990
Exponent Prime Factor Digits Year
30925211618504238 ~1990
30925403618508078 ~1990
30925463618509278 ~1990
309255374948085939 ~1992
30925619618512398 ~1990
30925679618513598 ~1990
309257811855546879 ~1991
309264531855587199 ~1991
30926543618530878 ~1990
309266574329731999 ~1992
30928283222683637710 ~1993
30928643618572878 ~1990
309292795567270239 ~1992
30930059618601198 ~1990
30930551618611038 ~1990
30930671618613438 ~1990
30931391618627838 ~1990
30931451618629038 ~1990
30931643618632878 ~1990
30931919618638398 ~1990
30931991618639838 ~1990
30932663618653278 ~1990
309329811855978879 ~1991
30933359618667198 ~1990
30934031618680638 ~1990
Exponent Prime Factor Digits Year
30934199618683998 ~1990
30934283618685678 ~1990
309344331856065999 ~1991
30934439618688798 ~1990
309346612474772899 ~1991
309348731856092399 ~1991
30935111618702238 ~1990
30935939618718798 ~1990
30935951618719038 ~1990
30936131618722638 ~1990
30936203618724078 ~1990
30936539618730798 ~1990
30936599618731998 ~1990
30936623618732478 ~1990
309366712474933699 ~1991
30937079618741598 ~1990
30937223618744478 ~1990
30937463618749278 ~1990
30937799618755998 ~1990
30938003618760078 ~1990
30938111618762238 ~1990
30938339618766798 ~1990
30938639618772798 ~1990
309387172475097379 ~1991
309391192475129539 ~1991
Exponent Prime Factor Digits Year
30939299618785998 ~1990
30939451699231592710 ~1995
309396174331546399 ~1992
30939851618797038 ~1990
30940043618800878 ~1990
30940319618806398 ~1990
309406011856436079 ~1991
30941171618823438 ~1990
30942011618840238 ~1990
30942419618848398 ~1990
30943163618863278 ~1990
30943259618865198 ~1990
30943331618866638 ~1990
30943631618872638 ~1990
30943691618873838 ~1990
309437771856626639 ~1991
30943943618878878 ~1990
309443593094435919 ~1991
309444472475555779 ~1991
30944759618895198 ~1990
30945203618904078 ~1990
309454011856724079 ~1991
30945443618908878 ~1990
30945779618915598 ~1990
30946271618925438 ~1990
1823
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25-12-14