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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
12434231248684638 ~1986
12434351248687038 ~1986
12434711994776898 ~1988
12434777746086638 ~1988
124347771740868799
12434843248696878 ~1986
12435431248708638 ~1986
124357391243573919 ~1988
12435971248719438 ~1986
12436043248720878 ~1986
124368292984838979 ~1989
12437441994995298 ~1988
12437459248749198 ~1986
12437471248749438 ~1986
12437651248753038 ~1986
12437969995037538 ~1988
12438121746287278 ~1988
124382694726542239 ~1990
124383012736426239 ~1989
12438659248773198 ~1986
12438683248773678 ~1986
124386835224246879
12439439248788798 ~1986
12439643248792878 ~1986
124397831243978319 ~1988
Exponent Prime Factor Digits Year
12440221746413278 ~1988
12440471248809438 ~1986
12440741746444478 ~1988
12440819248816398 ~1986
124408512239353199 ~1989
12440873746452398 ~1988
12440993746459598 ~1988
12441179248823598 ~1986
12441311995304898 ~1988
12441419248828398 ~1986
12441893746513598 ~1988
12442043248840878 ~1986
12442343248846878 ~1986
12442553746553198 ~1988
12442883248857678 ~1986
124429391244293919 ~1988
124431911244319119 ~1988
12443591248871838 ~1986
124437893733136719 ~1989
12443999248879998 ~1986
12444163530121343910 ~1992
12444251248885038 ~1986
12444611248892238 ~1986
12445091248901838 ~1986
12445529995642338 ~1988
Exponent Prime Factor Digits Year
124456792240222239 ~1989
12445871248917438 ~1986
124467233982951379 ~1989
12447107995768578 ~1988
124471211991539379 ~1989
124473431244734319 ~1988
12447371248947438 ~1986
12447817746869038 ~1988
12447937746876238 ~1988
12448031248960638 ~1986
12448151248963038 ~1986
124484411991750579 ~1989
12448571248971438 ~1986
12448679248973598 ~1986
124487392240773039 ~1989
12448837746930238 ~1988
12449249995939938 ~1988
12449603248992078 ~1986
12449981995998498 ~1988
12449999248999998 ~1986
12450059249001198 ~1986
12450131249002638 ~1986
12450419249008398 ~1986
12450577747034638 ~1988
124506191245061919 ~1988
Exponent Prime Factor Digits Year
12450863249017278 ~1986
12451141747068478 ~1988
12451169996093538 ~1988
12451223249024478 ~1986
12451253418362100910 ~1992
124513994233475679 ~1989
124514477221839279 ~1990
12451619249032398 ~1986
124517092988410179 ~1989
12451919249038398 ~1986
12451931249038638 ~1986
124522631245226319 ~1988
12452351249047038 ~1986
12452399996191938 ~1988
124526632988639139 ~1989
12452873747172398 ~1988
124528998966087299 ~1990
12453659249073198 ~1986
12453671249073438 ~1986
124537614732429199 ~1990
12454031249080638 ~1986
12454223249084478 ~1986
124543133985380179 ~1989
12454439249088798 ~1986
12454619249092398 ~1986
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25-05-04