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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
14012963280259278 ~1987
140130113643382879 ~1990
14014439280288798 ~1987
14014499280289998 ~1987
14014877109316040710 ~1991
14014943280298878 ~1987
14015017840901038 ~1988
14015047201816676910 ~1991
14015219280304398 ~1987
14015333840919998 ~1988
14015591280311838 ~1987
14015723280314478 ~1987
14016179280323598 ~1987
14016503280330078 ~1987
140172591121380739 ~1988
14017379280347598 ~1987
14017439280348798 ~1987
14017463280349278 ~1987
14017583280351678 ~1987
14017691280353838 ~1987
140177931962491039 ~1989
140192773364626499 ~1989
14019541841172478 ~1988
14019563280391278 ~1987
14019623280392478 ~1987
Exponent Prime Factor Digits Year
14019671280393438 ~1987
14019881311241358310 ~1992
14020703280414078 ~1987
14021317841279038 ~1988
14021603280432078 ~1987
14021939280438798 ~1987
14021963280439278 ~1987
14022119280442398 ~1987
14022493841349598 ~1988
14023391280467838 ~1987
14024459280489198 ~1987
14024573841474398 ~1988
14024903280498078 ~1987
14024999280499998 ~1987
14025419280508398 ~1987
14025433841525998 ~1988
140254333085595279
14025457841527438 ~1988
14025911280518238 ~1987
14026319280526398 ~1987
14026583280531678 ~1987
140265911402659119 ~1989
140280671649700679311 ~1994
14028071280561438 ~1987
140284071122272579 ~1988
Exponent Prime Factor Digits Year
140285573366853699 ~1989
140285711402857119 ~1989
140287316733790899 ~1990
140290274769869199 ~1990
14029511280590238 ~1987
14030039280600798 ~1987
14030099280601998 ~1987
14031119280622398 ~1987
140314977857638339 ~1990
140315831403158319 ~1989
14031683280633678 ~1987
14032219754933382310 ~1993
14032223280644478 ~1987
14032661841959678 ~1988
14032933841975998 ~1988
14033003280660078 ~1987
140330691122645539 ~1988
14033291280665838 ~1987
14033597842015838 ~1988
14033737842024238 ~1988
14034491280689838 ~1987
140345111403451119 ~1989
140345234771737839 ~1990
14034551280691038 ~1987
14034563280691278 ~1987
Exponent Prime Factor Digits Year
140346793368322979 ~1989
14035379280707598 ~1987
14035409188074480710 ~1991
140354231403542319 ~1989
14035559280711198 ~1987
14035943280718878 ~1987
14035961842157678 ~1988
14035979280719598 ~1987
14036219280724398 ~1987
14036723280734478 ~1987
14037173842230398 ~1988
14037251280745038 ~1987
140372511122980099
14037377842242638 ~1988
14037671280753438 ~1987
14038331280766638 ~1987
140385893369261379 ~1989
14038859280777198 ~1987
14039197842351838 ~1988
140392394773341279 ~1990
14039321842359278 ~1988
14039351280787038 ~1987
14039471280789438 ~1987
14039843280796878 ~1987
14040311280806238 ~1987
1213
GIMPS The Prime Pages FactorDb.com
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25-07-08