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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
12065477723928638 ~1987
12065723241314478 ~1986
12065759241315198 ~1986
12065939241318798 ~1986
12066023241320478 ~1986
12066419965313538 ~1988
12066611241332238 ~1986
12067259241345198 ~1986
12067259965380738
120675299412672639 ~1990
12067787965422978 ~1988
12067823241356478 ~1986
12068099241361998 ~1986
12068159241363198 ~1986
12068279241365598 ~1986
120683832896411939 ~1989
12068531241370638 ~1986
120685973620579119 ~1989
12068891241377838 ~1986
12068891115861353710
12069119241382398 ~1986
12069193724151598 ~1987
12070403241408078 ~1986
12070451241409038 ~1986
12070463241409278 ~1986
Exponent Prime Factor Digits Year
12070979241419598 ~1986
12071123241422478 ~1986
12071639241432798 ~1986
12071681724300878 ~1987
120716817484442239
120720191207201919 ~1988
120723671207236719 ~1988
12072611241452238 ~1986
12072869965829538 ~1988
12072899241457998 ~1986
120730811931692979 ~1988
12073163241463278 ~1986
12073403241468078 ~1986
12073499241469998 ~1986
12073511241470238 ~1986
12073739241474798 ~1986
12073793724427598 ~1987
120739913139237679 ~1989
12074113724446798 ~1987
12074423241488478 ~1986
12074921965993698 ~1988
12075029966002338 ~1988
12075191241503838 ~1986
12075551241511038 ~1986
12076021724561278 ~1987
Exponent Prime Factor Digits Year
12076193724571598 ~1987
120762473139824239 ~1989
12076349966107938 ~1988
12076703241534078 ~1986
12077291241545838 ~1986
12077399241547998 ~1986
120774191207741919 ~1988
12077459241549198 ~1986
12077951241559038 ~1986
12078173724690398 ~1987
12078431241568638 ~1986
120786672898880099 ~1989
12078791241575838 ~1986
12078881724732878 ~1987
12079477724768638 ~1987
12079883241597678 ~1986
12081011241620238 ~1986
12081073724864398 ~1987
12081119241622398 ~1986
120812876765520739 ~1990
120813892899533379 ~1989
12081683241633678 ~1986
12081743241634878 ~1986
12082211241644238 ~1986
12082319241646398 ~1986
Exponent Prime Factor Digits Year
12082391241647838 ~1986
12082799241655998 ~1986
12082919241658398 ~1986
12082943241658878 ~1986
120840311208403119 ~1988
12084239241684798 ~1986
120842392900217379
12084491241689838 ~1986
12084563241691278 ~1986
12084623241692478 ~1986
12085013725100798 ~1987
12085103241702078 ~1986
12085397966831778 ~1988
12085457725127438 ~1987
12086057725163438 ~1987
12086159241723198 ~1986
12086579241731598 ~1986
12086843241736878 ~1986
12086981966958498 ~1988
12087083241741678 ~1986
12087371241747438 ~1986
12087791241755838 ~1986
12087899241757998 ~1986
12088019241760398 ~1986
12088177164399207310 ~1991
1116
GIMPS The Prime Pages FactorDb.com
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25-05-04