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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
567707511135415039 ~1992
56771131102188035910 ~1994
567723111135446239 ~1992
56772773817527931310 ~1996
567731031135462079 ~1992
567743031135486079 ~1992
567746573406479439 ~1993
56775077170325231110 ~1994
567779391135558799 ~1992
567787974542303779 ~1993
567797631135595279 ~1992
567799791135599599 ~1992
567815511135631039 ~1992
567815631135631279 ~1992
567820039085120499 ~1994
567821391135642799 ~1992
56782657170347971110 ~1994
567836115678361119 ~1993
56783651147637492710 ~1994
567838791135677599 ~1992
567840831135681679 ~1992
567845511135691039 ~1992
567868333407209999 ~1993
567877191135754399 ~1992
567888831135777679 ~1992
Exponent Prime Factor Digits Year
567894591135789199 ~1992
567918591135837199 ~1992
567921711135843439 ~1992
56792587272604417710 ~1995
567956031135912079 ~1992
567964013407784079 ~1993
567965991135931999 ~1992
567966533407799199 ~1993
567971991135943999 ~1992
56799179102238522310 ~1994
567992991135985999 ~1992
567997279087956339 ~1994
568039791136079599 ~1992
568049031136098079 ~1992
568063573408381439 ~1993
568065831136131679 ~1992
568078275680782719 ~1993
568078791136157599 ~1992
56808607102255492710 ~1994
568091391136182799 ~1992
568093275680932719 ~1993
568094511136189039 ~1992
568109814544878499 ~1993
568118031136236079 ~1992
568120431136240879 ~1992
Exponent Prime Factor Digits Year
568125774545006179 ~1993
568134413408806479 ~1993
568150395681503919 ~1993
568167591136335199 ~1992
568172511136345039 ~1992
568175573409053439 ~1993
568186311136372639 ~1992
568196694545573539 ~1993
568200831136401679 ~1992
568221231136442479 ~1992
568245111136490239 ~1992
568249191136498399 ~1992
568259631136519279 ~1992
568264333409585999 ~1993
568267431136534879 ~1992
568268213409609279 ~1993
56828591102291463910 ~1994
568287711136575439 ~1992
568302111136604239 ~1992
568308591136617199 ~1992
568308831136617679 ~1992
568310573409863439 ~1993
568365231136730479 ~1992
568369431136738879 ~1992
568372191136744399 ~1992
Exponent Prime Factor Digits Year
568393191136786399 ~1992
56839319136414365710
568394391136788799 ~1992
568394933410369599 ~1993
568423431136846879 ~1992
568442991136885999 ~1992
568451631136903279 ~1992
568476711136953439 ~1992
568479111136958239 ~1992
568497831136995679 ~1992
568503231137006479 ~1992
568511031137022079 ~1992
568517031137034079 ~1992
568535835685358319 ~1993
568539777959556799 ~1994
568541511137083039 ~1992
56855567136453360910 ~1994
568557831137115679 ~1992
568566591137133199 ~1992
568567311137134639 ~1992
568573733411442399 ~1993
568624791137249599 ~1992
568626231137252479 ~1992
568637213411823279 ~1993
568649991137299999 ~1992
2223
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25-10-20