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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
31125203622504078 ~1989
31125599622511998 ~1989
311259731867558399 ~1991
311261411867568479 ~1991
311266611867599679 ~1991
31127231622544638 ~1989
31127699622553998 ~1989
311277771867666639 ~1991
31127879622557598 ~1989
31129379622587598 ~1989
31129457149421393710 ~1993
31129739622594798 ~1989
31130399622607998 ~1989
311327819962489939 ~1992
31133279622665598 ~1989
31134839622696798 ~1989
31135199622703998 ~1989
31135283622705678 ~1989
311355914981694579 ~1992
31135691622713838 ~1989
31135991622719838 ~1989
31136243622724878 ~1989
31136603622732078 ~1989
311369692490957539 ~1991
311380134359321839 ~1992
Exponent Prime Factor Digits Year
31138799622775998 ~1989
31139039622780798 ~1989
31140779622815598 ~1989
311410011868460079 ~1991
31141151622823038 ~1989
31141823622836478 ~1989
31142003622840078 ~1989
311421011868526079 ~1991
311421793114217919 ~1991
31142183622843678 ~1989
31142591622851838 ~1989
31142939622858798 ~1989
31143239622864798 ~1989
31143323622866478 ~1989
31143971622879438 ~1989
31146239622924798 ~1989
31146743622934878 ~1989
31147139622942798 ~1989
311486878098658639 ~1992
31149119622982398 ~1989
311495411868972479 ~1991
311503137476075139 ~1992
31150583623011678 ~1989
31150943623018878 ~1989
311518811869112879 ~1991
Exponent Prime Factor Digits Year
31151903623038078 ~1989
31152311623046238 ~1989
31153883623077678 ~1989
311546531869279199 ~1991
31154951623099038 ~1989
31155191623103838 ~1989
31155623623112478 ~1989
311558331869349999 ~1991
31156883623137678 ~1989
311576571869459439 ~1991
31157699623153998 ~1989
311580379347411119 ~1992
311586412492691299 ~1991
31158863623177278 ~1989
31159571623191438 ~1989
31159703623194078 ~1989
311599011869594079 ~1991
311600331869601999 ~1991
31160663623213278 ~1989
311614192492913539 ~1991
311616774362634799 ~1992
31163123623262478 ~1989
31165331623306638 ~1989
311656011869936079 ~1991
31166183623323678 ~1989
Exponent Prime Factor Digits Year
311663094363283279 ~1992
31166951623339038 ~1989
31167299623345998 ~1989
31167743623354878 ~1989
31168079623361598 ~1989
31168583623371678 ~1989
311699811870198879 ~1991
31170011623400238 ~1989
31170059623401198 ~1989
311705212493641699 ~1991
31171043623420878 ~1989
31172243623444878 ~1989
311722991097264924911 ~1995
311723571870341439 ~1991
31172579623451598 ~1989
31172903623458078 ~1989
311733971870403839 ~1991
311743971870463839 ~1991
31174691623493838 ~1989
311756931870541599 ~1991
311756992494055939 ~1991
31175759623515198 ~1989
31176371623527438 ~1989
31176923623538478 ~1989
31177703623554078 ~1989
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24-10-27