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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
12595813755748798 ~1988
125959371007674979 ~1988
12596123251922478 ~1986
12596219251924398 ~1986
12596543251930878 ~1986
12596579251931598 ~1986
12596999251939998 ~1986
125974991259749919 ~1988
12597899251957998 ~1986
12597911251958238 ~1986
12597971251959438 ~1986
125981331763738639 ~1989
12598361312439352910 ~1992
12598403251968078 ~1986
12598541755912478 ~1988
12598739251974798 ~1986
12598823251976478 ~1986
12598979251979598 ~1986
12599221755953278 ~1988
125993091763903279 ~1989
12599399251987998 ~1986
12599459251989198 ~1986
12599579251991598 ~1986
12599843251996878 ~1986
12600023252000478 ~1986
Exponent Prime Factor Digits Year
12600241756014478 ~1988
12600359252007198 ~1986
12600443252008878 ~1986
126007011008056099 ~1988
12600719252014398 ~1986
12601031252020638 ~1986
12601271252025438 ~1986
12601273756076398 ~1988
126013271260132719 ~1988
126013572016217139 ~1989
12601559252031198 ~1986
12601657756099438 ~1988
126016632016266099 ~1989
12601943252038878 ~1986
12602281756136878 ~1988
126026511008212099 ~1988
126027473276714239 ~1989
12602951252059038 ~1986
126029871008238979 ~1988
12603133756187998 ~1988
126031332016501299
126034971008279779 ~1988
126037275041490819 ~1990
12604451252089038 ~1986
12604561756273678 ~1988
Exponent Prime Factor Digits Year
12604577756274638 ~1988
12604703252094078 ~1986
126048291764676079 ~1989
126049576806676799 ~1990
12605137756308238 ~1988
12605273756316398 ~1988
12605557756333438 ~1988
12605591252111838 ~1986
12605783252115678 ~1986
126061272269102879 ~1989
12606383252127678 ~1986
12606563252131278 ~1986
12607033756421998 ~1988
12607043252140878 ~1986
12607157756429438 ~1988
126071591260715919 ~1988
12607379252147598 ~1986
12607403252148078 ~1986
12607559252151198 ~1986
126075593025814179
12607631252152638 ~1986
12607823252156478 ~1986
126078312017252979 ~1989
12608171252163438 ~1986
12608293756497598 ~1988
Exponent Prime Factor Digits Year
12608371726242169710 ~1992
12609323252186478 ~1986
126093672995985599311 ~1994
12609659252193198 ~1986
12609731252194638 ~1986
12609853756591198 ~1988
12610079252201598 ~1986
12610151252203038 ~1986
12610201756612078 ~1988
126102012017632179
126104412017670579 ~1989
12610511252210238 ~1986
12610517756631038 ~1988
12610817756649038 ~1988
12610861756651678 ~1988
12610919252218398 ~1986
12611051252221038 ~1986
12611353756681198 ~1988
12611363252227278 ~1986
12611471252229438 ~1986
12611519252230398 ~1986
12611581756694878 ~1988
126118312270129599 ~1989
12612001756720078 ~1988
12612311252246238 ~1986
1205
GIMPS The Prime Pages FactorDb.com
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26-03-08