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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
4245769721092983869712 ~1999
42458519849170398 ~1991
424589935944259039 ~1993
42459383849187678 ~1991
42459503849190078 ~1991
42460391849207838 ~1991
424607532547645199 ~1992
42461101195321064710 ~1994
42461123849222478 ~1991
42462727101910544910 ~1993
42463199849263998 ~1991
42463643849272878 ~1991
424641173397129379 ~1992
42464423849288478 ~1991
42465239849304798 ~1991
42465799101917917710 ~1993
42466883849337678 ~1991
42467219849344398 ~1991
42467879849357598 ~1991
42467891849357838 ~1991
424683593397468739 ~1992
424686172548117039 ~1992
42468911849378238 ~1991
42469103849382078 ~1991
42470231849404638 ~1991
Exponent Prime Factor Digits Year
42470843849416878 ~1991
42473771849475438 ~1991
424742834247428319 ~1992
424743436795894899 ~1993
42474599849491998 ~1991
424747373397978979 ~1992
42475211849504238 ~1991
42475523849510478 ~1991
424760299344726399 ~1993
42476279849525598 ~1991
42476543849530878 ~1991
424766575946731999 ~1993
42476783849535678 ~1991
424778812548672879 ~1992
42478031849560638 ~1991
424789816796636979 ~1993
42480071849601438 ~1991
42480239849604798 ~1991
42480731849614638 ~1991
42480863849617278 ~1991
42480923849618478 ~1991
42481199849623998 ~1991
42481451849629038 ~1991
424837132549022799 ~1992
42484679849693598 ~1991
Exponent Prime Factor Digits Year
42485279849705598 ~1991
42486539849730798 ~1991
42487103849742078 ~1991
42487283849745678 ~1991
424873514248735119 ~1992
42488651849773038 ~1991
42488723849774478 ~1991
42493103849862078 ~1991
424933373399466979 ~1992
424938074249380719 ~1992
42494531849890638 ~1991
42494579849891598 ~1991
42496631849932638 ~1991
424978812549872879 ~1992
42499091849981838 ~1991
424998019349956239 ~1993
425001972550011839 ~1992
425002812550016879 ~1992
42500483850009678 ~1991
42502283850045678 ~1991
425038735950542239 ~1993
425041514250415119 ~1992
42506063850121278 ~1991
42506279850125598 ~1991
42506531850130638 ~1991
Exponent Prime Factor Digits Year
425076976801231539 ~1993
425089132550534799 ~1992
42510311850206238 ~1991
42511673136037353710 ~1994
42513599850271998 ~1991
42516191850323838 ~1991
42516203850324078 ~1991
42516671850333438 ~1991
42516899850337998 ~1991
42517571850351438 ~1991
42518699850373998 ~1991
42519671850393438 ~1991
42519923850398478 ~1991
425199597653592639 ~1993
425200972551205839 ~1992
42520559850411198 ~1991
42522071850441438 ~1991
42522443850448878 ~1991
42524543850490878 ~1991
42525683850513678 ~1991
42526019850520398 ~1991
42526031850520638 ~1991
42526811850536238 ~1991
42527843850556878 ~1991
425288332551729999 ~1992
1929
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25-03-23