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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
402440412414642479 ~1992
402448876439181939 ~1993
40245539804910798 ~1990
40245661120736983110 ~1993
40246691804933838 ~1990
40246931804938638 ~1990
40246991804939838 ~1990
40247639804952798 ~1990
402476575634671999 ~1992
402484073219872579 ~1992
402494834024948319 ~1992
402498372245940904711 ~1996
40250123805002478 ~1990
402503513220028099 ~1992
40250363805007278 ~1990
40250459805009198 ~1990
402510412415062479 ~1992
40252211805044238 ~1990
40253303805066078 ~1990
40254143805082878 ~1990
40255151805103038 ~1990
40255199805103998 ~1990
40255739805114798 ~1990
402559793220478339 ~1992
40256423805128478 ~1990
Exponent Prime Factor Digits Year
40256591805131838 ~1990
40260263805205278 ~1990
40261783136890062310 ~1993
40262819805256398 ~1990
40263791805275838 ~1990
40264043805280878 ~1990
402651674026516719 ~1992
40267057120801171110 ~1993
40267163805343278 ~1990
402684972416109839 ~1992
40268759805375198 ~1990
40269959805399198 ~1990
40270151805403038 ~1990
402728532416371199 ~1992
40272959805459198 ~1990
40273451805469038 ~1990
402736277249252879 ~1993
402749332416495999 ~1992
40275419805508398 ~1990
40275551805511038 ~1990
40275731805514638 ~1990
40276499805529998 ~1990
40276823805536478 ~1990
402770234027702319 ~1992
40277183805543678 ~1990
Exponent Prime Factor Digits Year
40278167193335201710 ~1994
40279163805583278 ~1990
40279331805586638 ~1990
40279619805592398 ~1990
40280593257795795310 ~1994
402810893222487139 ~1992
40281811330310850310 ~1994
40282559805651198 ~1990
40284479805689598 ~1990
402854572417127439 ~1992
40286171805723438 ~1990
402863812417182879 ~1992
40286663805733278 ~1990
402867674028676719 ~1992
402868098863097999 ~1993
40286819805736398 ~1990
40288439805768798 ~1990
402886212417317279 ~1992
40289003805780078 ~1990
402898036446368499 ~1993
40289999805799998 ~1990
40290083805801678 ~1990
40291403805828078 ~1990
40293023805860478 ~1990
402931012417586079 ~1992
Exponent Prime Factor Digits Year
402931098864483999 ~1993
40293131805862638 ~1990
40294043805880878 ~1990
402951473223611779 ~1992
402952732417716399 ~1992
40296491805929838 ~1990
40296671805933438 ~1990
40296731805934638 ~1990
40297151805943038 ~1990
40297319805946398 ~1990
402981194029811919 ~1992
402993172417959039 ~1992
40303871806077438 ~1990
40303979806079598 ~1990
40304279806085598 ~1990
40305059806101198 ~1990
40305371806107438 ~1990
403061873224494979 ~1992
403064899673557379 ~1993
40306811806136238 ~1990
403068172418409039 ~1992
40306919806138398 ~1990
40308311806166238 ~1990
40309019806180398 ~1990
403093372418560239 ~1992
1953
GIMPS The Prime Pages FactorDb.com
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25-06-29