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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
992689191985378399 ~1993
992695039926950319 ~1995
992720391985440799 ~1993
99272203397088812110 ~1997
992749791985499599 ~1993
992799775956798639 ~1995
992822997942583939 ~1995
992823831985647679 ~1993
992838231985676479 ~1993
99283931893555379110 ~1997
992842497942739939 ~1995
992843215957059279 ~1995
992849631985699279 ~1993
992867031985734079 ~1993
992884077943072579 ~1995
992896911985793839 ~1993
992917197943337539 ~1995
992919711985839439 ~1993
992968911985937839 ~1993
99298373317754793710 ~1996
993011511986023039 ~1993
993024591986049199 ~1993
993033111986066239 ~1993
993070039930700319 ~1995
993082431986164879 ~1993
Exponent Prime Factor Digits Year
993088431986176879 ~1993
993093415958560479 ~1995
993155631986311279 ~1993
993165591986331199 ~1993
993274191986548399 ~1993
993309111986618239 ~1993
993311031986622079 ~1993
993321375959928239 ~1995
993322879933228719 ~1995
993380697947045539 ~1995
993381111986762239 ~1993
993384231986768479 ~1993
993389511986779039 ~1993
993397311986794639 ~1993
993431031986862079 ~1993
993432591986865199 ~1993
99344501556329205710 ~1997
993461877947694979 ~1995
993476217947809699 ~1995
993482391986964799 ~1993
993484215960905279 ~1995
993508375961050239 ~1995
993529311987058639 ~1993
993530031987060079 ~1993
993561975961371839 ~1995
Exponent Prime Factor Digits Year
993581391987162799 ~1993
993589215961535279 ~1995
993595017948760099 ~1995
993613135961678799 ~1995
993629535961777199 ~1995
993629991987259999 ~1993
99364487496822435110 ~1997
993737277949898179 ~1995
993781311987562639 ~1993
993805735962834399 ~1995
993827631987655279 ~1993
993828175962969039 ~1995
993828591987657199 ~1993
993830991987661999 ~1993
993845031987690079 ~1993
99384773139138682310 ~1996
993867111987734239 ~1993
993868017950944099 ~1995
993897777951182179 ~1995
993900199939001919 ~1995
993901497951211939 ~1995
993918711987837439 ~1993
99395077397580308110 ~1997
99401867238564480910 ~1996
99402839318089084910 ~1996
Exponent Prime Factor Digits Year
994073277952586179 ~1995
99409153457282103910 ~1997
994093911988187839 ~1993
994109631988219279 ~1993
994128111988256239 ~1993
994139031988278079 ~1993
994178031988356079 ~1993
994179735965078399 ~1995
994212415965274479 ~1995
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
2403
GIMPS The Prime Pages FactorDb.com
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25-04-13