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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
551550533309303199 ~1993
551552511103105039 ~1991
55155433121341952710 ~1994
551563191103126399 ~1991
551568591103137199 ~1991
551570991103141999 ~1991
551573631103147279 ~1991
551575614412604899 ~1993
551578911103157839 ~1991
551584133309504799 ~1993
551593431103186879 ~1991
551645031103290079 ~1991
551646711103293439 ~1991
551649138826386099 ~1994
551649177723088399 ~1994
551650791103301599 ~1991
551650911103301839 ~1991
551683613310101679 ~1993
551688533310131199 ~1993
551701791103403599 ~1991
551705511103411039 ~1991
551711213310267279 ~1993
551713494413707939 ~1993
551714391103428799 ~1991
551726511103453039 ~1991
Exponent Prime Factor Digits Year
551726933310361599 ~1993
551737431103474879 ~1991
551748111103496239 ~1991
551751915517519119 ~1993
551760591103521199 ~1991
551807991103615999 ~1991
551809431103618879 ~1991
551816031103632079 ~1991
551830573310983439 ~1993
551862591103725199 ~1991
551864573311187439 ~1993
551871231103742479 ~1991
55188433794713435310 ~1996
551885991103771999 ~1991
55189457209719936710 ~1995
551896191103792399 ~1991
55189621397365271310 ~1995
551896914415175299 ~1993
551906991103813999 ~1991
551910231103820479 ~1991
55191761662301132110 ~1996
551920373311522239 ~1993
551959791103919599 ~1991
551984631103969279 ~1991
551990718831851379 ~1994
Exponent Prime Factor Digits Year
551994773311968639 ~1993
552016911104033839 ~1991
552017391104034799 ~1991
552021831104043679 ~1991
552023333312139999 ~1993
552028791104057599 ~1991
552031035520310319 ~1993
552033591104067199 ~1991
552051231104102479 ~1991
552068391104136799 ~1991
552074031104148079 ~1991
55209563143544863910 ~1994
552098511104197039 ~1991
552101394416811139 ~1993
552110031104220079 ~1991
552114075521140719 ~1993
552120114416960899 ~1993
552129591104259199 ~1991
552131999938375839 ~1994
552152391104304799 ~1991
552152991104305999 ~1991
552153231104306479 ~1991
552155511104311039 ~1991
552157314417258499 ~1993
552179595521795919 ~1993
Exponent Prime Factor Digits Year
552184911104369839 ~1991
552185631104371279 ~1991
552192111104384239 ~1991
552193791104387599 ~1991
552199911104399839 ~1991
552205311104410639 ~1991
552209391104418799 ~1991
552213591104427199 ~1991
552225773313354639 ~1993
552226911104453839 ~1991
552255591104511199 ~1991
552272991104545999 ~1991
55227827265093569710 ~1995
552293994418351939 ~1993
552295791104591599 ~1991
552297111104594239 ~1991
552300133313800799 ~1993
552305031104610079 ~1991
552305511104611039 ~1991
55230601220922404110 ~1995
552316191104632399 ~1991
552322911104645839 ~1991
552341991104683999 ~1991
552351711104703439 ~1991
552356391104712799 ~1991
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25-07-08