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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
12070451241409038 ~1986
12070463241409278 ~1986
12070517724231038 ~1987
12070753724245198 ~1987
12070979241419598 ~1986
12071123241422478 ~1986
12071639241432798 ~1986
12071681724300878 ~1987
120716817484442239
12072001724320078 ~1987
120720191207201919 ~1988
120723671207236719 ~1988
12072611241452238 ~1986
12072661724359678 ~1987
12072869965829538 ~1988
12072899241457998 ~1986
120730811931692979 ~1989
12073163241463278 ~1986
12073177724390638 ~1987
12073253724395198 ~1987
12073403241468078 ~1986
12073499241469998 ~1986
12073511241470238 ~1986
12073739241474798 ~1986
12073793724427598 ~1987
Exponent Prime Factor Digits Year
120739913139237679 ~1989
12074113724446798 ~1987
12074141724448478 ~1987
12074423241488478 ~1986
12074921965993698 ~1988
12075029966002338 ~1988
12075191241503838 ~1986
12075551241511038 ~1986
12076021724561278 ~1987
12076193724571598 ~1987
120762473139824239 ~1989
12076349966107938 ~1988
12076703241534078 ~1986
12077291241545838 ~1986
12077399241547998 ~1986
120774191207741919 ~1988
12077459241549198 ~1986
12077557724653438 ~1987
12077951241559038 ~1986
12078173724690398 ~1987
12078233724693998 ~1987
12078431241568638 ~1986
12078533724711998 ~1987
120786672898880099 ~1989
12078791241575838 ~1986
Exponent Prime Factor Digits Year
12078881724732878 ~1987
12079477724768638 ~1987
12079883241597678 ~1986
12079973724798398 ~1987
12080813724848798 ~1987
12081011241620238 ~1986
12081073724864398 ~1987
12081119241622398 ~1986
12081241724874478 ~1987
120812876765520739 ~1990
120813892899533379 ~1989
12081683241633678 ~1986
12081743241634878 ~1986
12082211241644238 ~1986
12082319241646398 ~1986
12082391241647838 ~1986
12082799241655998 ~1986
12082919241658398 ~1986
12082943241658878 ~1986
120840311208403119 ~1988
12084239241684798 ~1986
120842392900217379
12084491241689838 ~1986
12084563241691278 ~1986
12084623241692478 ~1986
Exponent Prime Factor Digits Year
12085013725100798 ~1987
12085103241702078 ~1986
12085397966831778 ~1988
12085457725127438 ~1987
12085681725140878 ~1987
12086057725163438 ~1987
12086159241723198 ~1986
12086233725173998 ~1987
12086579241731598 ~1986
12086777966942178 ~1988
12086843241736878 ~1986
12086981966958498 ~1988
12087083241741678 ~1986
12087371241747438 ~1986
12087791241755838 ~1986
12087899241757998 ~1986
12088019241760398 ~1986
12088177164399207310 ~1991
12088463241769278 ~1986
12088943241778878 ~1986
12089183241783678 ~1986
12089243241784878 ~1986
12089351241787038 ~1986
12089501725370078 ~1987
12089663241793278 ~1986
1173
GIMPS The Prime Pages FactorDb.com
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26-02-08