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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
234267733748283699 ~1991
23427143468542878 ~1989
23428211468564238 ~1989
23428523468570478 ~1989
23428739468574798 ~1989
23428799468575998 ~1989
23429039468580798 ~1989
234293691874349539 ~1990
234307933748926899 ~1991
234309891874479139 ~1990
23431451468629038 ~1989
23431631468632638 ~1989
23431931468638638 ~1989
234321411405928479 ~1990
234321591874572739 ~1990
23432219468644398 ~1989
23432639468652798 ~1989
23432663468653278 ~1989
23432819468656398 ~1989
23433071468661438 ~1989
234332712343327119 ~1990
234336371406018239 ~1990
23433671468673438 ~1989
23434751468695038 ~1989
23435543468710878 ~1989
Exponent Prime Factor Digits Year
234359571406157439 ~1990
234365931406195599 ~1990
23437019468740398 ~1989
23437223468744478 ~1989
234373992343739919 ~1990
234375591875004739 ~1990
23438111468762238 ~1989
23438339468766798 ~1989
23438819468776398 ~1989
23439191468783838 ~1989
23439263468785278 ~1989
234394874219107679 ~1991
23439551468791038 ~1989
23439623468792478 ~1989
234398171406389039 ~1990
23440463468809278 ~1989
234412611875300899 ~1990
23441651468833038 ~1989
23441711468834238 ~1989
23442229220356952710 ~1993
234428413750854579 ~1991
23443499468869998 ~1989
23443559468871198 ~1989
23443583468871678 ~1989
234437531406625199 ~1990
Exponent Prime Factor Digits Year
23444231468884638 ~1989
23444363468887278 ~1989
23444471468889438 ~1989
23444783468895678 ~1989
23444951468899038 ~1989
23445011468900238 ~1989
23446151468923038 ~1989
234463335627119939 ~1991
23446463468929278 ~1989
23447639468952798 ~1989
234483672344836719 ~1990
234488331406929999 ~1990
23448959468979198 ~1989
23449199468983998 ~1989
23449931468998638 ~1989
23450783469015678 ~1989
23451479469029598 ~1989
23451563469031278 ~1989
23451971469039438 ~1989
23452703469054078 ~1989
234527531407165199 ~1990
234527698912052239 ~1992
23452991469059838 ~1989
23453099469061998 ~1989
23453411469068238 ~1989
Exponent Prime Factor Digits Year
234534771407208639 ~1990
23453603469072078 ~1989
23454023469080478 ~1989
234544671876357379 ~1990
234556733283794239 ~1991
234559731407358399 ~1990
234564171407385039 ~1990
23456843469136878 ~1989
234570131407420799 ~1990
23457023469140478 ~1989
234570475629691299 ~1991
23457179469143598 ~1989
23457743469154878 ~1989
23457971469159438 ~1989
234585171407511039 ~1990
234585171876681379
23458619469172398 ~1989
23458741262737899310 ~1993
23458763469175278 ~1989
23459291469185838 ~1989
23459399469187998 ~1989
23459519469190398 ~1989
234598331407589999 ~1990
23460683469213678 ~1989
23460779469215598 ~1989
1584
GIMPS The Prime Pages FactorDb.com
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25-11-02