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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
380125495321756879 ~1992
38012783760255678 ~1990
38013323760266478 ~1990
38013551760271038 ~1990
38014271760285438 ~1990
38014391760287838 ~1990
380143913041151299
380146633801466319 ~1992
380147932280887599 ~1991
38015639760312798 ~1990
38015759760315198 ~1990
38016623760332478 ~1990
38016851760337038 ~1990
38017943760358878 ~1990
38018483760369678 ~1990
38018891760377838 ~1990
380203972281223839 ~1991
38021663760433278 ~1990
38021759760435198 ~1990
380231093041848739 ~1992
38024279760485598 ~1990
38024963760499278 ~1990
380278373042226979 ~1992
38029151760583038 ~1990
38029319760586398 ~1990
Exponent Prime Factor Digits Year
38030711760614238 ~1990
38032223760644478 ~1990
380323676845826079 ~1993
380329012281974079 ~1991
38033843760676878 ~1990
38034263760685278 ~1990
38034299760685998 ~1990
38034641121710851310 ~1993
38036291760725838 ~1990
38036363760727278 ~1990
38036797813987455910 ~1995
380370372282222239 ~1991
38037731760754638 ~1990
380378172282269039 ~1991
38039363760787278 ~1990
38040839760816798 ~1990
38041043760820878 ~1990
38042111760842238 ~1990
380428613043428899 ~1992
38043143760862878 ~1990
38043431760868638 ~1990
380438572282631439 ~1991
380443132282658799 ~1991
38044969357622708710 ~1994
38046551760931038 ~1990
Exponent Prime Factor Digits Year
38046839760936798 ~1990
38048039760960798 ~1990
38048291760965838 ~1990
38048951190244755110 ~1994
380491613043932899 ~1992
380494972282969839 ~1991
38049971760999438 ~1990
38050079761001598 ~1990
380524033805240319 ~1992
380529673805296719 ~1992
38053139761062798 ~1990
38053583761071678 ~1990
38055323761106478 ~1990
38056691761133838 ~1990
380584073044672579 ~1992
38058899761177998 ~1990
380590193044721539 ~1992
38060843761216878 ~1990
38060903761218078 ~1990
38061983761239678 ~1990
380624813044998499 ~1992
38062919761258398 ~1990
38063243761264878 ~1990
38063351761267038 ~1990
38063411761268238 ~1990
Exponent Prime Factor Digits Year
38063771761275438 ~1990
38064203761284078 ~1990
380649473045195779 ~1992
38067059761341198 ~1990
38067119761342398 ~1990
380697012284182079 ~1991
38069963761399278 ~1990
38070971761419438 ~1990
38071199761423998 ~1990
38071283761425678 ~1990
38071391761427838 ~1990
380715893045727139 ~1992
380728936091662899 ~1992
38074249182756395310 ~1994
38074871761497438 ~1990
38075017152300068110 ~1993
38075111761502238 ~1990
38075789144687998310 ~1993
380759572284557439 ~1991
38075957213225359310
38076359761527198 ~1990
38076443761528878 ~1990
38076683761533678 ~1990
38077103761542078 ~1990
38078063761561278 ~1990
1890
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25-05-04