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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
142435311139482499 ~1988
14243699284873998 ~1987
14243893854633598 ~1988
142447216552571679 ~1990
142449071424490719 ~1989
14245103284902078 ~1987
14245223284904478 ~1987
142455496837863539 ~1990
14245811284916238 ~1987
14245823284916478 ~1987
14245883284917678 ~1987
14245919284918398 ~1987
14246101854766078 ~1988
142461893419085379 ~1989
142462371139698979 ~1988
14246471284929438 ~1987
14247599284951998 ~1987
14247731284954638 ~1987
142481333419551939 ~1989
14248211284964238 ~1987
14248259284965198 ~1987
14248631284972638 ~1987
142486731994814239 ~1989
142492311139938499 ~1988
14249843284996878 ~1987
Exponent Prime Factor Digits Year
142502832280045299 ~1989
14250563285011278 ~1987
142506671425066719 ~1989
14251033855061998 ~1988
142510791140086339 ~1988
142511231425112319 ~1989
14251343285026878 ~1987
14251379285027598 ~1987
14251631285032638 ~1987
14251799285035998 ~1987
142518736555861599 ~1990
14252279285045598 ~1987
142526712565480799 ~1989
142526832280429299 ~1989
14252879285057598 ~1987
142528791140230339
14253023285060478 ~1987
142535817982005379 ~1990
14253623285072478 ~1987
14253731285074638 ~1987
142538235986605679 ~1990
142538512565693199 ~1989
14254343285086878 ~1987
14254391285087838 ~1987
14254817855289038 ~1988
Exponent Prime Factor Digits Year
14254991285099838 ~1987
14255243285104878 ~1987
142558212280931379 ~1989
14256563285131278 ~1987
14257031285140638 ~1987
14257151285143038 ~1987
142575418839675439 ~1991
14257559285151198 ~1987
14258039285160798 ~1987
14258771285175438 ~1987
14258831285176638 ~1987
14259083285181678 ~1987
14259599285191998 ~1987
142601876844889779 ~1990
14260979285219598 ~1987
14261003285220078 ~1987
14261183285223678 ~1987
14261363285227278 ~1987
14261459285229198 ~1987
14261651285233038 ~1987
14261711285234238 ~1987
14261783285235678 ~1987
142619993422879779 ~1989
14262203285244078 ~1987
14262421855745278 ~1988
Exponent Prime Factor Digits Year
14262431285248638 ~1987
14262617855757038 ~1988
14263163285263278 ~1987
14264039285280798 ~1987
142643571141148579 ~1988
14264363285287278 ~1987
14265011285300238 ~1987
14265281855916878 ~1988
14265661855939678 ~1988
14265731285314638 ~1987
14265893855953598 ~1988
14266019285320398 ~1987
14266181855970878 ~1988
14266223285324478 ~1987
14266979285339598 ~1987
14267399285347998 ~1987
142680472568248479 ~1989
14268311285366238 ~1987
14268599285371998 ~1987
14268827436626106310 ~1992
14269597856175838 ~1988
142699396849570739 ~1990
14270411285408238 ~1987
142704619989322719 ~1991
14270579285411598 ~1987
1217
GIMPS The Prime Pages FactorDb.com
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25-06-15