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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
31804523636090478 ~1990
31804583636091678 ~1990
31805099636101998 ~1990
318051771908310639 ~1991
31805243636104878 ~1990
318054011908324079 ~1991
31805843636116878 ~1990
318061612544492899 ~1991
31806563636131278 ~1990
31806623636132478 ~1990
31807151636143038 ~1990
31807703636154078 ~1990
31807883636157678 ~1990
31808219636164398 ~1990
318086593180865919 ~1991
31808951636179038 ~1990
31809119636182398 ~1990
318095771908574639 ~1991
31809803636196078 ~1990
31810283636205678 ~1990
318103211908619279 ~1991
31810739636214798 ~1990
31810871636217438 ~1990
31810979636219598 ~1990
31811603636232078 ~1990
Exponent Prime Factor Digits Year
31811711636234238 ~1990
31812149152698315310 ~1993
31812923636258478 ~1990
318134593181345919 ~1991
31813763636275278 ~1990
31813871636277438 ~1990
31814171636283438 ~1990
31814291636285838 ~1990
31815011636300238 ~1990
318160212004409323111 ~1996
31816139636322798 ~1990
31817771636355438 ~1990
31818383229092357710 ~1993
31818971636379438 ~1990
31819559636391198 ~1990
31819943636398878 ~1990
318210611909263679 ~1991
31821071636421438 ~1990
31821659636433198 ~1990
318219011909314079 ~1991
31822403636448078 ~1990
31822883636457678 ~1990
31822991636459838 ~1990
31823579636471598 ~1990
318240975091855539 ~1992
Exponent Prime Factor Digits Year
318242397637817379 ~1992
31824599636491998 ~1990
31825463636509278 ~1990
31825523636510478 ~1990
31825823636516478 ~1990
31826519636530398 ~1990
31826939636538798 ~1990
31827143636542878 ~1990
31827371636547438 ~1990
31828871636577438 ~1990
31828931636578638 ~1990
31828943636578878 ~1990
31829279636585598 ~1990
31829519636590398 ~1990
31829639636592798 ~1990
31829663636593278 ~1990
31830131636602638 ~1990
31830143636602878 ~1990
31830611636612238 ~1990
31830971636619438 ~1990
31831883636637678 ~1990
318322331909933999 ~1991
31832291636645838 ~1990
31832711636654238 ~1990
31833839636676798 ~1990
Exponent Prime Factor Digits Year
31835123636702478 ~1990
31835159636703198 ~1990
318355371910132239 ~1991
31835579636711598 ~1990
31835879636717598 ~1990
31836179636723598 ~1990
31836803636736078 ~1990
318368171910209039 ~1991
31836851636737038 ~1990
31836923636738478 ~1990
318379211910275279 ~1991
31837979636759598 ~1990
31838063636761278 ~1990
31838783636775678 ~1990
31838903636778078 ~1990
31839239636784798 ~1990
31839323636786478 ~1990
31839911636798238 ~1990
31840283636805678 ~1990
31840619636812398 ~1990
318407038278582799 ~1992
318411412547291299 ~1991
31841291636825838 ~1990
31841363636827278 ~1990
318418971910513839 ~1991
1780
GIMPS The Prime Pages FactorDb.com
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25-05-04