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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
12085457725127438 ~1987
12085681725140878 ~1987
12086057725163438 ~1987
12086159241723198 ~1986
12086233725173998 ~1987
12086579241731598 ~1986
12086843241736878 ~1986
12086981966958498 ~1988
12087083241741678 ~1986
12087371241747438 ~1986
12087791241755838 ~1986
12087899241757998 ~1986
12088019241760398 ~1986
12088177164399207310 ~1991
12088463241769278 ~1986
12088943241778878 ~1986
12089183241783678 ~1986
12089243241784878 ~1986
12089351241787038 ~1986
12089501725370078 ~1987
12089663241793278 ~1986
12089747967179778 ~1988
12089939241798798 ~1986
12089993725399598 ~1987
120899931692599039
Exponent Prime Factor Digits Year
12089999241799998 ~1986
12090131241802638 ~1986
12090311241806238 ~1986
12090313725418798 ~1987
12090563241811278 ~1986
12090671241813438 ~1986
12090937725456238 ~1987
12090959241819198 ~1986
12091181725470878 ~1987
120912531692775439 ~1988
12091259241825198 ~1986
12091559241831198 ~1986
120921836771622499 ~1990
120922092660285999 ~1989
120924071209240719 ~1988
12092999241859998 ~1986
12093337725600238 ~1987
12093479241869598 ~1986
120935411934966579 ~1989
120935691693099679 ~1988
12093713725622798 ~1987
12093839241876798 ~1986
12094931241898638 ~1986
12094931967594498
12095197725711838 ~1987
Exponent Prime Factor Digits Year
12095351241907038 ~1986
12095627967650178 ~1988
12096377725782638 ~1987
12096839241936798 ~1986
12096941725816478 ~1987
12097213725832798 ~1987
12097273725836398 ~1987
12097691241953838 ~1986
12097751241955038 ~1986
12098077725884638 ~1987
12098111241962238 ~1986
12098171241963438 ~1986
120983472177702479 ~1989
12098399967871938 ~1988
12099011241980238 ~1986
12099281725956878 ~1987
12099419967953538 ~1988
12099611241992238 ~1986
12099803241996078 ~1986
12099959241999198 ~1986
12100373726022398 ~1987
121003916776218979 ~1990
12100681726040878 ~1987
12101009968080738 ~1988
12101053726063198 ~1987
Exponent Prime Factor Digits Year
12101123242022478 ~1986
12101477726088638 ~1987
12101591242031838 ~1986
12102263242045278 ~1986
12102383242047678 ~1986
12102457726147438 ~1987
12103043242060878 ~1986
12103067125871896910 ~1991
12103381726202878 ~1987
121034575809659379 ~1990
12103691242073838 ~1986
12103859242077198 ~1986
121039072178703279 ~1989
12104033726241998 ~1987
12104231242084638 ~1986
12104303242086078 ~1986
12104363242087278 ~1986
12104461726267678 ~1987
12104483242089678 ~1986
121045491694636879 ~1988
12104639242092798 ~1986
12104797726287838 ~1987
12105083242101678 ~1986
121051331936821299 ~1989
12105293726317598 ~1987
1169
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26-01-11