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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
25598603511972078 ~1989
25599323511986478 ~1989
25599971511999438 ~1989
256005293584074079 ~1991
256006131536036799 ~1990
25600703512014078 ~1989
25601123512022478 ~1989
25601291512025838 ~1989
25601351512027038 ~1989
25601423512028478 ~1989
25601879512037598 ~1989
25602383512047678 ~1989
25602431512048638 ~1989
25602959512059198 ~1989
25603043512060878 ~1989
25603559512071198 ~1989
256036792048294339 ~1990
25603943512078878 ~1989
25604291512085838 ~1989
256050371536302239 ~1990
25605311512106238 ~1989
25605539512110798 ~1989
25605719512114398 ~1989
25606019512120398 ~1989
25606523512130478 ~1989
Exponent Prime Factor Digits Year
25606979512139598 ~1989
25607063512141278 ~1989
256074712048597699 ~1990
256079512048636099 ~1990
256079992048639939 ~1990
25608083512161678 ~1989
256084971536509839 ~1990
25608839512176798 ~1989
25609631512192638 ~1989
25610111512202238 ~1989
25610411512208238 ~1989
25610471512209438 ~1989
25611623512232478 ~1989
25611779512235598 ~1989
256119731536718399 ~1990
25612073266365559310 ~1993
256123731536742399 ~1990
25612403512248078 ~1989
25613303512266078 ~1989
256135697684070719 ~1992
25613603512272078 ~1989
25613963512279278 ~1989
25614059512281198 ~1989
256141792049134339 ~1990
25614371512287438 ~1989
Exponent Prime Factor Digits Year
25614383512287678 ~1989
25614779512295598 ~1989
25614923512298478 ~1989
25615151512303038 ~1989
25615259512305198 ~1989
25615441179308087110 ~1993
25615559512311198 ~1989
25615883512317678 ~1989
25615979512319598 ~1989
25616639512332798 ~1989
25616711512334238 ~1989
25617023512340478 ~1989
256176112049408899 ~1990
25617731512354638 ~1989
25617803512356078 ~1989
25618259512365198 ~1989
25618979512379598 ~1989
25619123512382478 ~1989
25620281614886744110 ~1994
256212374099397939 ~1991
25621331512426638 ~1989
25621619512432398 ~1989
25621691512433838 ~1989
25621859512437198 ~1989
25622339512446798 ~1989
Exponent Prime Factor Digits Year
25622351512447038 ~1989
25623239512464798 ~1989
25623551512471038 ~1989
25624019512480398 ~1989
25624271512485438 ~1989
256244992049959939 ~1990
25624583512491678 ~1989
25624883512497678 ~1989
256254418200141139 ~1992
25625843512516878 ~1989
25626911512538238 ~1989
25626959512539198 ~1989
256270612050164899 ~1990
25627103512542078 ~1989
25628111512562238 ~1989
25628483512569678 ~1989
25629491512589838 ~1989
25629731512594638 ~1989
25631159512623198 ~1989
25631219512624398 ~1989
25631279512625598 ~1989
256321512563215119 ~1991
256325333588554639 ~1991
25633103512662078 ~1989
25633319512666398 ~1989
1541
GIMPS The Prime Pages FactorDb.com
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24-10-27