Home e-mail
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
20442599408851998 ~1988
20442659408853198 ~1988
20443019408860398 ~1988
20443691408873838 ~1988
204438531226631199 ~1989
204439011226634079 ~1989
204439371635514979 ~1990
204442134906611139 ~1991
20444471408889438 ~1988
20444771408895438 ~1988
20445443408908878 ~1988
20445791408915838 ~1988
20445923408918478 ~1988
20446271408925438 ~1988
20446799408935998 ~1988
20447159408943198 ~1988
20447411408948238 ~1988
204476571226859439 ~1989
20448119408962398 ~1988
20448443408968878 ~1988
20448803408976078 ~1988
204488531226931199 ~1989
20449151408983038 ~1988
20449343408986878 ~1988
20449391408987838 ~1988
Exponent Prime Factor Digits Year
204496011226976079 ~1989
20450063409001278 ~1988
20450351409007038 ~1988
204506931227041599 ~1989
204507411227044479 ~1989
20450819409016398 ~1988
20450939409018798 ~1988
204514371227086239 ~1989
20451443114528080910 ~1992
20451551409031038 ~1988
20451911409038238 ~1988
204519673272314739 ~1990
20452199409043998 ~1988
20452559163620472110 ~1992
20452703409054078 ~1988
20452739409054798 ~1988
20452979409059598 ~1988
20453039409060798 ~1988
20453591409071838 ~1988
204536233272579699 ~1990
20453663409073278 ~1988
204550038182001219 ~1991
204550513272808179 ~1990
20455499409109998 ~1988
20455559409111198 ~1988
Exponent Prime Factor Digits Year
204563331227379999 ~1989
204563931227383599 ~1989
20456651409133038 ~1988
20456963409139278 ~1988
20457023409140478 ~1988
204576771636614179 ~1990
20458103409162078 ~1988
20458283409165678 ~1988
20458643409172878 ~1988
20458703409174078 ~1988
20458723147302805710 ~1992
204589811227538879 ~1989
20459651409193038 ~1988
204602419411710879 ~1991
204605773273692339 ~1990
20460683409213678 ~1988
204609892864538479 ~1990
20461019409220398 ~1988
20461139409222798 ~1988
20461151409223038 ~1988
204613211227679279 ~1989
204616071636928579 ~1990
20462063409241278 ~1988
204629211227775279 ~1989
204641092864975279 ~1990
Exponent Prime Factor Digits Year
20464211409284238 ~1988
20464331409286638 ~1988
20464511409290238 ~1988
204645376139361119 ~1991
20465099261953267310 ~1993
20465303409306078 ~1988
20465531409310638 ~1988
20465723409314478 ~1988
20465771409315438 ~1988
20466311409326238 ~1988
204663771637310179 ~1990
204664931227989599 ~1989
204667372865343199 ~1990
20467103409342078 ~1988
20467259409345198 ~1988
20467283409345678 ~1988
20468099409361998 ~1988
20468857327501712110 ~1993
20468951409379038 ~1988
204690131228140799 ~1989
204691311637530499 ~1990
204691911637535299 ~1990
20469359409387198 ~1988
204695511637564099 ~1990
204697194912732579 ~1991
1434
GIMPS The Prime Pages FactorDb.com
Home
4.768.925 digits 		e-mail
25-05-04