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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
18914639378292798 ~1988
18914663378293278 ~1988
189148934539574339 ~1990
18914963378299278 ~1988
189150771134904639 ~1989
18915359378307198 ~1988
18915419378308398 ~1988
18915503378310078 ~1988
18915623378312478 ~1988
18915731378314638 ~1988
189159373026549939 ~1990
18916031378320638 ~1988
189162171134973039 ~1989
189162411513299299 ~1989
189162431891624319 ~1990
18916739378334798 ~1988
18916763378335278 ~1988
18916811378336238 ~1988
18917351378347038 ~1988
18918071378361438 ~1988
189183134162028879 ~1990
18918923378378478 ~1988
18919451378389038 ~1988
18919739378394798 ~1988
18920879378417598 ~1988
Exponent Prime Factor Digits Year
18920939378418798 ~1988
18921179378423598 ~1988
18921431378428638 ~1988
189214491513715939 ~1989
18922511378450238 ~1988
18922763378455278 ~1988
18923231378464638 ~1988
18923291378465838 ~1988
18923783378475678 ~1988
18924011378480238 ~1988
18924023378480478 ~1988
18924599378491998 ~1988
189247931135487599 ~1989
18924803378496078 ~1988
189256633028106099 ~1990
18925979378519598 ~1988
189262311514098499 ~1989
18926279378525598 ~1988
18926291378525838 ~1988
18926903378538078 ~1988
18927371378547438 ~1988
18927721136279591310 ~1992
18927983378559678 ~1988
18928043378560878 ~1988
18928223378564478 ~1988
Exponent Prime Factor Digits Year
18928751378575038 ~1988
18928823378576478 ~1988
189289371135736239 ~1989
189289571135737439 ~1989
18929171378583438 ~1988
189291731135750399 ~1989
189291797571671619 ~1991
18929363378587278 ~1988
18930071378601438 ~1988
18930371378607438 ~1988
189304673407484079 ~1990
18931019378620398 ~1988
18931079378621598 ~1988
189316036436745039 ~1991
189318774543650499 ~1990
189319631893196319 ~1990
18932003378640078 ~1988
189321411135928479 ~1989
189322132650509839 ~1990
189322191514577539 ~1989
189322615679678319 ~1991
18932471378649438 ~1988
18932579378651598 ~1988
189327171135963039 ~1989
189327291514618339 ~1989
Exponent Prime Factor Digits Year
189327411514619299 ~1989
18933539378670798 ~1988
18934463378689278 ~1988
18935291378705838 ~1988
189353831893538319 ~1990
18936311378726238 ~1988
189366011136196079 ~1989
18936611378732238 ~1988
189367671514941379 ~1989
18937571378751438 ~1988
18937703378754078 ~1988
18937799378755998 ~1988
18937871378757438 ~1988
18938063378761278 ~1988
189384771136308639 ~1989
18938879378777598 ~1988
18939443378788878 ~1988
18939491378789838 ~1988
18939863378797278 ~1988
18939983378799678 ~1988
18940931378818638 ~1988
189414772651806799 ~1990
18941999378839998 ~1988
18942083378841678 ~1988
18942251378845038 ~1988
1376
GIMPS The Prime Pages FactorDb.com
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25-04-13