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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
17472431349448638 ~1988
17472839349456798 ~1988
17473091349461838 ~1988
17473451349469038 ~1988
17473493517215392910 ~1993
17474519349490398 ~1988
17474543349490878 ~1988
17474939349498798 ~1988
17475131349502638 ~1988
17475851349517038 ~1988
17475959349519198 ~1988
17476031349520638 ~1988
17476271349525438 ~1988
17476463349529278 ~1988
17476583349531678 ~1988
17476643349532878 ~1988
174766811048600879 ~1989
17477123349542478 ~1988
17477423349548478 ~1988
17477483349549678 ~1988
17478011349560238 ~1988
17478179349563598 ~1988
17478239349564798 ~1988
174783711398269699 ~1989
17478479349569598 ~1988
Exponent Prime Factor Digits Year
174786611048719679 ~1989
17478899349577998 ~1988
174790131048740799 ~1989
17479019349580398 ~1988
174792011048752079 ~1989
17479523349590478 ~1988
174796071398368579 ~1989
17479811349596238 ~1988
17480159349603198 ~1988
17480951349619038 ~1988
17481143349622878 ~1988
17481323349626478 ~1988
17482271349645438 ~1988
174825131048950799 ~1989
174826073146869279 ~1990
17482823349656478 ~1988
17483033125877837710 ~1991
17483093220286971910 ~1992
17483579349671598 ~1988
17483831349676638 ~1988
174840291398722339 ~1989
17484179349683598 ~1988
174848098392708339 ~1991
174848211049089279 ~1989
17485199349703998 ~1988
Exponent Prime Factor Digits Year
17485343349706878 ~1988
174854211049125279 ~1989
174860171049161039 ~1989
17486039349720798 ~1988
17486471349729438 ~1988
174866831748668319 ~1989
17487719349754398 ~1988
174878593147814639 ~1990
174879312798068979 ~1990
17488259349765198 ~1988
17488511349770238 ~1988
17488643349772878 ~1988
17488931349778638 ~1988
174906611049439679 ~1989
17490911349818238 ~1988
174910492448746879 ~1990
17491091349821838 ~1988
17491319349826398 ~1988
17491499349829998 ~1988
17491619349832398 ~1988
17491823349836478 ~1988
174929871399438979 ~1989
174931391749313919 ~1989
174933731049602399 ~1989
17493383349867678 ~1988
Exponent Prime Factor Digits Year
17493431349868638 ~1988
174937011399496099 ~1989
17493743349874878 ~1988
174938874548410639 ~1990
174943971049663839 ~1989
174948118397509299 ~1991
17495183349903678 ~1988
17495759349915198 ~1988
174957732799323699 ~1990
17496239349924798 ~1988
17496443349928878 ~1988
17497079349941598 ~1988
17497379349947598 ~1988
17497523349950478 ~1988
17498111349962238 ~1988
17498231349964638 ~1988
174982371399858979 ~1989
17498531349970638 ~1988
174989171049935039 ~1989
17498951349979038 ~1988
17499071349981438 ~1988
17499539349990798 ~1988
17499719349994398 ~1988
174997871749978719 ~1989
17499899349997998 ~1988
1347
GIMPS The Prime Pages FactorDb.com
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25-07-08