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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
250232331501393999 ~1990
25024403500488078 ~1989
25024451500489038 ~1989
25024511500490238 ~1989
25024679500493598 ~1989
25024859500497198 ~1989
25025051500501038 ~1989
25025459500509198 ~1989
250254611501527679 ~1990
25025939500518798 ~1989
25026143500522878 ~1989
25026191300314292110 ~1993
250264372002114979 ~1990
250271171501627039 ~1990
25027991500559838 ~1989
25028219500564398 ~1989
25028303500566078 ~1989
250284892002279139 ~1990
25028903500578078 ~1989
25028963500579278 ~1989
25029143500582878 ~1989
250292092002336739 ~1990
25029503500590078 ~1989
25029551500591038 ~1989
25030223500604478 ~1989
Exponent Prime Factor Digits Year
25030763500615278 ~1989
25031159500623198 ~1989
25031819500636398 ~1989
25032179500643598 ~1989
25032743500654878 ~1989
250331212002649699 ~1990
25033643500672878 ~1989
25034519500690398 ~1989
250350011502100079 ~1990
250350611502103679 ~1990
25035623500712478 ~1989
25035683500713678 ~1989
250357571502145439 ~1990
250359292002874339 ~1990
25036751500735038 ~1989
250370171502221039 ~1990
25037219500744398 ~1989
25037399500747998 ~1989
25037423500748478 ~1989
250374771502248639 ~1990
25037819500756398 ~1989
25037843500756878 ~1989
25037951500759038 ~1989
250381931502291599 ~1990
25038683500773678 ~1989
Exponent Prime Factor Digits Year
25038719500774398 ~1989
250390331502341999 ~1990
25039379500787598 ~1989
25039439500788798 ~1989
25039799500795998 ~1989
25040051500801038 ~1989
25040579500811598 ~1989
25040759500815198 ~1989
25040819500816398 ~1989
25041251500825038 ~1989
25041539500830798 ~1989
25041911500838238 ~1989
25042403500848078 ~1989
25042499500849998 ~1989
25043171500863438 ~1989
25043351500867038 ~1989
25044083500881678 ~1989
25044203500884078 ~1989
250442512003540099 ~1990
25045103500902078 ~1989
25045259500905198 ~1989
25045283500905678 ~1989
250456611502739679 ~1990
250461371502768239 ~1990
25046603500932078 ~1989
Exponent Prime Factor Digits Year
25046711500934238 ~1989
25046999500939998 ~1989
25047019160300921710 ~1992
250472771502836639 ~1990
250473135510408879 ~1991
25047419500948398 ~1989
25047611500952238 ~1989
25048319500966398 ~1989
250484811502908879 ~1990
25049411500988238 ~1989
25049963500999278 ~1989
25050071501001438 ~1989
25050143501002878 ~1989
250503312505033119 ~1990
25050491501009838 ~1989
25050803501016078 ~1989
25051919501038398 ~1989
25052831501056638 ~1989
25052987125264935110 ~1992
250532411503194479 ~1990
250533131503198799 ~1990
25053863501077278 ~1989
25054019501080398 ~1989
25054163501083278 ~1989
250542292004338339 ~1990
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25-04-13