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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
985546791971093599 ~1993
985551415913308479 ~1995
98555741788445928110 ~1997
985558039855580319 ~1995
985625391971250799 ~1993
985628335913769999 ~1995
985641111971282239 ~1993
985649335913895999 ~1995
98566807473120673710 ~1997
985672911971345839 ~1993
985673631971347279 ~1993
985726735914360399 ~1995
985772991971545999 ~1993
985785591971571199 ~1993
985793391971586799 ~1993
985800111971600239 ~1993
985805511971611039 ~1993
985849191971698399 ~1993
985859391971718799 ~1993
986019831972039679 ~1993
986044215916265279 ~1995
986068015916408079 ~1995
986077311972154639 ~1993
986104431972208879 ~1993
986109711972219439 ~1993
Exponent Prime Factor Digits Year
986110431972220879 ~1993
986118135916708799 ~1995
986173015917038079 ~1995
986203215917219279 ~1995
986214777889718179 ~1995
986219215917315279 ~1995
986245791972491599 ~1993
986262711972525439 ~1993
986295717890365699 ~1995
986374911972749839 ~1993
986376591972753199 ~1993
98643841394575364110 ~1997
986465391972930799 ~1993
986498391972996799 ~1993
986503797892030339 ~1995
986516391973032799 ~1993
986519119865191119 ~1995
98652031177573655910 ~1996
986544111973088239 ~1993
986630631973261279 ~1993
98663431414386410310 ~1997
986642391973284799 ~1993
986657511973315039 ~1993
986675535920053199 ~1995
986679175920075039 ~1995
Exponent Prime Factor Digits Year
986696991973393999 ~1993
98669929296009787110 ~1996
986703111973406239 ~1993
986739591973479199 ~1993
986748975920493839 ~1995
986784231973568479 ~1993
986809191973618399 ~1993
986822991973645999 ~1993
986839791973679599 ~1993
986859975921159839 ~1995
986861631973723279 ~1993
98686199473693755310 ~1997
98686331177635395910 ~1996
986875791973751599 ~1993
986877231973754479 ~1993
986886711973773439 ~1993
986972391973944799 ~1993
986994111973988239 ~1993
986998497895987939 ~1995
986999991973999999 ~1993
987018711974037439 ~1993
987044511974089039 ~1993
987069535922417199 ~1995
987069831974139679 ~1993
98708719236900925710 ~1996
Exponent Prime Factor Digits Year
987097279870972719 ~1995
987151399871513919 ~1995
98719303157950884910 ~1996
987199191974398399 ~1993
987199815923198879 ~1995
987204175923225039 ~1995
987212997897703939 ~1995
987219919872199119 ~1995
987227031974454079 ~1993
987255591974511199 ~1993
987258831974517679 ~1993
98726231315923939310 ~1996
987312111974624239 ~1993
987319431974638879 ~1993
987330831974661679 ~1993
987331791974663599 ~1993
987335877898686979 ~1995
98734291157974865710 ~1996
987358911974717839 ~1993
987387231974774479 ~1993
987421311974842639 ~1993
987461391974922799 ~1993
987462831974925679 ~1993
987479415924876479 ~1995
987487911974975839 ~1993
2448
GIMPS The Prime Pages FactorDb.com
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25-06-15