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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
993432591986865199 ~1993
99344501556329205710 ~1997
993461877947694979 ~1995
993476217947809699 ~1995
993482391986964799 ~1993
993484215960905279 ~1995
99349709139089592710 ~1996
993508375961050239 ~1995
99352087158963339310 ~1996
993529311987058639 ~1993
993530031987060079 ~1993
993561975961371839 ~1995
993581391987162799 ~1993
993589215961535279 ~1995
993595017948760099 ~1995
993598311987196639 ~1993
993613135961678799 ~1995
993624231987248479 ~1993
993629535961777199 ~1995
993629991987259999 ~1993
99364487496822435110 ~1997
993673191987346399 ~1993
993737277949898179 ~1995
993759111987518239 ~1993
993781311987562639 ~1993
Exponent Prime Factor Digits Year
993805735962834399 ~1995
993827631987655279 ~1993
993828175962969039 ~1995
993828591987657199 ~1993
993830991987661999 ~1993
99383863715563813710 ~1997
993840111987680239 ~1993
993845031987690079 ~1993
99384773139138682310 ~1996
993867111987734239 ~1993
993868017950944099 ~1995
993897777951182179 ~1995
993900199939001919 ~1995
993901497951211939 ~1995
993909111987818239 ~1993
993918711987837439 ~1993
99395077397580308110 ~1997
99396491417465262310 ~1997
99401867238564480910 ~1996
99402839318089084910 ~1996
994033191988066399 ~1993
994073277952586179 ~1995
994089831988179679 ~1993
99409153457282103910 ~1997
994093911988187839 ~1993
Exponent Prime Factor Digits Year
994109631988219279 ~1993
994128111988256239 ~1993
994139031988278079 ~1993
994178031988356079 ~1993
994179735965078399 ~1995
994210971093632067111 ~1998
994212415965274479 ~1995
994220511988441039 ~1993
994223479942234719 ~1995
994228815965372879 ~1995
994269231988538479 ~1993
994278711988557439 ~1993
994327135965962799 ~1995
994328031988656079 ~1993
994335711988671439 ~1993
994353117954824899 ~1995
994391991988783999 ~1993
9944230712489953759312 ~2000
994424175966545039 ~1995
994434711988869439 ~1993
99443537238664488910 ~1996
994435791988871599 ~1993
994445391988890799 ~1993
994459331491688995111 ~1998
994464711988929439 ~1993
Exponent Prime Factor Digits Year
994486815966920879 ~1995
994487631988975279 ~1993
994508391989016799 ~1993
994511511989023039 ~1993
994534431989068879 ~1993
994537735967226399 ~1995
994560831989121679 ~1993
994565031989130079 ~1993
994568031989136079 ~1993
994590111989180239 ~1993
994591791989183599 ~1993
994592031989184079 ~1993
994611231989222479 ~1993
99464543238714903310 ~1996
994655391989310799 ~1993
994665111989330239 ~1993
99468389139255744710 ~1996
994684375968106239 ~1995
994689831989379679 ~1993
99471413139259978310 ~1996
994757031989514079 ~1993
994779711989559439 ~1993
994781175968687039 ~1995
994814391989628799 ~1993
994820391989640799 ~1993
2673
GIMPS The Prime Pages FactorDb.com
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26-04-05