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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
140049891120399139 ~1988
140050491960706879 ~1989
14005571280111438 ~1987
14005897840353838 ~1988
14006171280123438 ~1987
14006341840380478 ~1988
14006483280129678 ~1987
14006711280134238 ~1987
140067171120537379 ~1988
14006939280138798 ~1987
14007083280141678 ~1987
14007239280144798 ~1987
14007659280153198 ~1987
14007743280154878 ~1987
14008031280160638 ~1987
14008273840496398 ~1988
14008523280170478 ~1987
14008601840516078 ~1988
140087273362094499 ~1989
14008763280175278 ~1987
14009123280182478 ~1987
14009459280189198 ~1987
14009603280192078 ~1987
14009903280198078 ~1987
14010257840615438 ~1988
Exponent Prime Factor Digits Year
14010263280205278 ~1987
14010851280217038 ~1987
140108833362611939 ~1989
14011631280232638 ~1987
140119731961676239 ~1989
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
Exponent Prime Factor Digits Year
140177931962491039 ~1989
140192773364626499 ~1989
14019541841172478 ~1988
14019563280391278 ~1987
14019623280392478 ~1987
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
Exponent Prime Factor Digits Year
14026583280531678 ~1987
140265911402659119 ~1988
140280671649700679311 ~1994
14028071280561438 ~1987
140284071122272579 ~1988
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
14033003280660078 ~1987
140330691122645539 ~1988
14033291280665838 ~1987
14033597842015838 ~1988
14033737842024238 ~1988
14034491280689838 ~1987
140345111403451119 ~1989
1193
GIMPS The Prime Pages FactorDb.com
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25-04-13