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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
12057263241145278 ~1986
12057347964587778 ~1988
120574996993349439 ~1990
120575471205754719 ~1988
120575471929207539
12058379241167598 ~1986
120583933617517919 ~1989
12058589238760062310 ~1991
12058883241177678 ~1986
12058993723539598 ~1987
12059123241182478 ~1986
12059653723579198 ~1987
12059711241194238 ~1986
12060071241201438 ~1986
12060137964810978 ~1988
12060263241205278 ~1986
12060551241211038 ~1986
120605531929688499 ~1989
12060911964872898 ~1988
12061331241226638 ~1986
12061433723685998 ~1987
120616272894790499 ~1989
120616491688630879 ~1988
12061859241237198 ~1986
12061919241238398 ~1986
Exponent Prime Factor Digits Year
120622031929952499 ~1989
12062279241245598 ~1986
12062339241246798 ~1986
12062399241247998 ~1986
12062497723749838 ~1987
12062819241256398 ~1986
12063011241260238 ~1986
12063041965043298 ~1988
12063563241271278 ~1986
12063899241277998 ~1986
12064253723855198 ~1987
12064499241289998 ~1986
12064583241291678 ~1986
12064691965175298 ~1988
120647094584589439 ~1989
12065477723928638 ~1987
12065723241314478 ~1986
12065759241315198 ~1986
12065939241318798 ~1986
12066023241320478 ~1986
12066419965313538 ~1988
12066611241332238 ~1986
12067259241345198 ~1986
12067259965380738
120675299412672639 ~1990
Exponent Prime Factor Digits Year
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
12070979241419598 ~1986
12071123241422478 ~1986
12071639241432798 ~1986
12071681724300878 ~1987
120716817484442239
120720191207201919 ~1988
120723671207236719 ~1988
12072611241452238 ~1986
12072869965829538 ~1988
12072899241457998 ~1986
Exponent Prime Factor Digits Year
120730811931692979 ~1989
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
12076193724571598 ~1987
120762473139824239 ~1989
12076349966107938 ~1988
12076703241534078 ~1986
12077291241545838 ~1986
12077399241547998 ~1986
120774191207741919 ~1988
12077459241549198 ~1986
12077951241559038 ~1986
12078173724690398 ~1987
1152
GIMPS The Prime Pages FactorDb.com
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25-10-20