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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
13232213198483195110 ~1991
132325435557668079 ~1990
13232573793954398 ~1988
13233263264665278 ~1987
13233359264667198 ~1987
132333592382004639
132333594234674899
13233911264678238 ~1987
132340031323400319 ~1988
132346793176322979 ~1989
13234981794098878 ~1988
13235303264706078 ~1987
13235459264709198 ~1987
13236011264720238 ~1987
132362394235596499 ~1990
132364371058914979 ~1988
13236479264729598 ~1987
13236533794191998 ~1988
13236719264734398 ~1987
13236791264735838 ~1987
132367933176830339 ~1989
13236997794219838 ~1988
132371514235888339 ~1990
13237463264749278 ~1987
13237481222389680910 ~1991
Exponent Prime Factor Digits Year
13237751264755038 ~1987
13238051264761038 ~1987
13238339264766798 ~1987
13238473794308398 ~1988
132385031323850319 ~1988
13238723264774478 ~1987
13239203264784078 ~1987
13240079264801598 ~1987
13240319264806398 ~1987
13240343264806878 ~1987
132405291059242339 ~1988
132406092912933999 ~1989
132406971853697599 ~1989
13241021794461278 ~1988
13241099264821998 ~1987
13241471264829438 ~1987
132418491059347939 ~1988
13241953794517198 ~1988
13242157794529438 ~1988
13242191264843838 ~1987
132423771059390179 ~1988
13242623264852478 ~1987
13242683264853678 ~1987
13243001794580078 ~1988
13243031264860638 ~1987
Exponent Prime Factor Digits Year
132432132118914099 ~1989
13243859264877198 ~1987
13244183264883678 ~1987
132443232119091699 ~1989
132445212913794639 ~1989
13244593794675598 ~1988
132448134238340179 ~1990
13244831264896638 ~1987
13245301794718078 ~1988
13245359264907198 ~1987
132455111324551119 ~1988
13245623264912478 ~1987
13245899264917998 ~1987
13246319264926398 ~1987
13246379264927598 ~1987
13246463264929278 ~1987
132464691059717539 ~1988
13246511264930238 ~1987
132466791059734339 ~1988
13246721794803278 ~1988
13246861794811678 ~1988
13247051264941038 ~1987
13247291264945838 ~1987
13247477794848638 ~1988
132480711059845699 ~1988
Exponent Prime Factor Digits Year
132481013974430319 ~1989
13248239264964798 ~1987
132485833179659939 ~1989
13248731264974638 ~1987
13248743264974878 ~1987
13249343264986878 ~1987
13249499264989998 ~1987
13249837794990238 ~1988
132499971059999779 ~1988
13250411265008238 ~1987
13250533795031998 ~1988
13250819265016398 ~1987
132511072385199279 ~1989
13251131265022638 ~1987
132511693180280579 ~1989
13251263265025278 ~1987
132513613975408319 ~1989
13251659265033198 ~1987
132517391325173919 ~1988
13251779265035598 ~1987
13251839265036798 ~1987
13251853795111198 ~1988
13251923265038478 ~1987
13251971265039438 ~1987
132521231325212319 ~1988
1194
GIMPS The Prime Pages FactorDb.com
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25-09-07