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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
22696403453928078 ~1988
22696571453931438 ~1988
226972371815778979 ~1990
226982091815856739 ~1990
226983175447596099 ~1991
22698443453968878 ~1988
226986612682981730311 ~1995
22698719453974398 ~1988
22698971453979438 ~1988
22698983453979678 ~1988
22699151453983038 ~1988
22699283453985678 ~1988
226993371361960239 ~1990
226999211361995279 ~1990
22699931453998638 ~1988
227001235902031999 ~1991
22700519454010398 ~1988
22700543454010878 ~1988
227010531362063199 ~1990
22701071454021438 ~1988
22701127599309752910 ~1994
22701671454033438 ~1988
22703039454060798 ~1988
22703951454079038 ~1988
22703963454079278 ~1988
Exponent Prime Factor Digits Year
22704023454080478 ~1988
22704719454094398 ~1988
22705043454100878 ~1988
22705379454107598 ~1988
227053911816431299 ~1990
22705583454111678 ~1988
22706039454120798 ~1988
227064014995408239 ~1991
227064433633030899 ~1991
22706459454129198 ~1988
22707383454147678 ~1988
227074973179049599 ~1991
22707803454156078 ~1988
227079111816632899 ~1990
22707959454159198 ~1988
227082371362494239 ~1990
227085011362510079 ~1990
227086571362519439 ~1990
22708979454179598 ~1988
227090211362541279 ~1990
22709699454193998 ~1988
22709831454196638 ~1988
22710323454206478 ~1988
22711151454223038 ~1988
22711259454225198 ~1988
Exponent Prime Factor Digits Year
22711679454233598 ~1988
22711823454236478 ~1988
22711883454237678 ~1988
227119074088143279 ~1991
22712159454243198 ~1988
22712171277088486310 ~1993
22712279454245598 ~1988
227124411362746479 ~1990
227126112271261119 ~1990
22712759454255198 ~1988
22713143454262878 ~1988
22714343454286878 ~1988
22714403454288078 ~1988
227145611362873679 ~1990
22714871454297438 ~1988
22715471454309438 ~1988
227154896814646719 ~1991
22716119454322398 ~1988
227173632271736319 ~1990
227182791817462339 ~1990
227189093180647279 ~1991
227198571363191439 ~1990
22719971454399438 ~1988
22720091454401838 ~1988
22720283454405678 ~1988
Exponent Prime Factor Digits Year
22720391454407838 ~1988
22720583454411678 ~1988
22720679454413598 ~1988
227211912272119119 ~1990
227212611817700899 ~1990
227213531363281199 ~1990
22721399454427998 ~1988
22721483454429678 ~1988
227218011817744099 ~1990
227221272272212719 ~1990
22722131454442638 ~1988
227221311817770499
22722431454448638 ~1988
22722527109068129710 ~1992
22722839454456798 ~1988
22723451454469038 ~1988
22724183454483678 ~1988
22724363454487278 ~1988
227244192272441919 ~1990
227247891817983139 ~1990
227248331363489999 ~1990
227249871817998979 ~1990
22725359454507198 ~1988
22726163454523278 ~1988
227263933636222899 ~1991
1527
GIMPS The Prime Pages FactorDb.com
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25-07-08