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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
12068531241370638 ~1986
120685973620579119 ~1989
12068891241377838 ~1986
12068891115861353710
12069119241382398 ~1986
12069193724151598 ~1988
12070403241408078 ~1986
12070451241409038 ~1986
12070463241409278 ~1986
12070517724231038 ~1988
12070753724245198 ~1988
12070979241419598 ~1986
12071123241422478 ~1986
12071639241432798 ~1986
12071681724300878 ~1988
120716817484442239
12072001724320078 ~1988
120720133621603919 ~1989
120720191207201919 ~1988
120723671207236719 ~1988
12072611241452238 ~1986
12072661724359678 ~1988
12072869965829538 ~1988
12072899241457998 ~1986
120730811931692979 ~1989
Exponent Prime Factor Digits Year
12073163241463278 ~1986
12073177724390638 ~1988
12073253724395198 ~1988
12073403241468078 ~1986
12073499241469998 ~1986
12073511241470238 ~1986
12073739241474798 ~1986
12073793724427598 ~1988
120739913139237679 ~1989
12074113724446798 ~1988
12074141724448478 ~1988
12074423241488478 ~1986
12074921965993698 ~1988
12075029966002338 ~1988
12075191241503838 ~1986
12075551241511038 ~1986
12076021724561278 ~1988
120760271207602719 ~1988
12076193724571598 ~1988
120762473139824239 ~1989
12076349966107938 ~1988
12076703241534078 ~1986
12077291241545838 ~1986
12077399241547998 ~1986
120774191207741919 ~1988
Exponent Prime Factor Digits Year
12077459241549198 ~1986
12077557724653438 ~1988
12077951241559038 ~1986
12078173724690398 ~1988
12078233724693998 ~1988
12078431241568638 ~1986
12078533724711998 ~1988
120786672898880099 ~1989
12078791241575838 ~1986
12078881724732878 ~1988
12079477724768638 ~1988
12079883241597678 ~1986
12079973724798398 ~1988
12080603901212983910 ~1993
12080813724848798 ~1988
12081011241620238 ~1986
12081073724864398 ~1988
12081119241622398 ~1986
12081241724874478 ~1988
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 ~1988
12085103241702078 ~1986
12085397966831778 ~1988
12085457725127438 ~1988
12085681725140878 ~1988
12086057725163438 ~1988
12086159241723198 ~1986
12086233725173998 ~1988
12086579241731598 ~1986
12086777966942178 ~1988
12086843241736878 ~1986
120868877977345439 ~1990
12086981966958498 ~1988
12087083241741678 ~1986
120871075801811379 ~1990
1215
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26-10-25