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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
10026239200524798 ~1986
10026479200529598 ~1986
10026683200533678 ~1986
10027337601640238 ~1987
10027343200546878 ~1986
10027571200551438 ~1986
10027631200552638 ~1986
100280931403933039 ~1988
10028261601695678 ~1987
10028279200565598 ~1986
100285871604573939 ~1988
10029037601742238 ~1987
10029101601746078 ~1987
100293012206446239 ~1988
10029443200588878 ~1986
10029671200593438 ~1986
10029791200595838 ~1986
10029839200596798 ~1986
10030421601825278 ~1987
10030463200609278 ~1986
10030753601845198 ~1987
10030991200619838 ~1986
10030991802479298
10031137601868238 ~1987
10031579200631598 ~1986
Exponent Prime Factor Digits Year
100317431003174319 ~1987
10032013601920798 ~1987
10032073601924398 ~1987
100323911605182579 ~1988
10032553601953198 ~1987
10032563200651278 ~1986
10032611802608898 ~1987
10032917601975038 ~1987
10032923200658478 ~1986
10032937601976238 ~1987
10033091200661838 ~1986
10033229802658338 ~1987
100333696421356179 ~1989
10033571802685698 ~1987
10033619200672398 ~1986
10033703200674078 ~1986
10034041602042478 ~1987
10034113602046798 ~1987
10034231200684638 ~1986
10034293602057598 ~1987
10034399200687998 ~1986
10034537802762978 ~1987
100345971404843599 ~1988
10034903200698078 ~1986
100349871806297679 ~1988
Exponent Prime Factor Digits Year
10035013602100798 ~1987
10035071200701438 ~1986
10035217602113038 ~1987
10035877602152638 ~1987
10035947802875778 ~1987
10036357602181438 ~1987
10036417184670072910 ~1990
10036571200731438 ~1986
10036877602212638 ~1987
10037003200740078 ~1986
10037381602242878 ~1987
10037603200752078 ~1986
100376411606022579 ~1988
10037663200753278 ~1986
10037843200756878 ~1986
10037849803027938 ~1987
100382471606119539 ~1988
10038773602326398 ~1987
10038817602329038 ~1987
100388171606210739
10038851200777038 ~1986
100390933011727919 ~1989
10039193602351598 ~1987
100393871807089679 ~1988
10039409803152738 ~1987
Exponent Prime Factor Digits Year
10039541803163298 ~1987
10039559200791198 ~1986
100395592409494179
10039943200798878 ~1986
10040057602403438 ~1987
10040111200802238 ~1986
10040363200807278 ~1986
10040603200812078 ~1986
100407171405700399 ~1988
10040917602455038 ~1987
10041071803285698 ~1987
10041131200822638 ~1986
10041197803295778 ~1987
10041431200828638 ~1986
10041457602487438 ~1987
10041599200831998 ~1986
10042093602525598 ~1987
10042199200843998 ~1986
10042433602545998 ~1987
10042463200849278 ~1986
10042619200852398 ~1986
10042691200853838 ~1986
10042741602564478 ~1987
10043051200861038 ~1986
100431715624175779 ~1989
1069
GIMPS The Prime Pages FactorDb.com
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26-04-05