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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
18172751363455038 ~1988
181732731090396399 ~1989
18173339363466798 ~1988
181733391453867139
18174179363483598 ~1988
181747812907964979 ~1990
181747871817478719 ~1989
181751393271525039 ~1990
181755611090533679 ~1989
18175583363511678 ~1988
18175739363514798 ~1988
18175823363516478 ~1988
181766511454132099 ~1989
181773612908377779 ~1990
181775415453262319 ~1991
181776971090661839 ~1989
18177899363557998 ~1988
18178631363572638 ~1988
181788131090728799 ~1989
18178859363577198 ~1988
18179123363582478 ~1988
181795871817958719 ~1989
181797532545165439 ~1990
18179951363599038 ~1988
181799691454397539 ~1989
Exponent Prime Factor Digits Year
18180059363601198 ~1988
18180731363614638 ~1988
18181259363625198 ~1988
181814211090885279 ~1989
181815111454520899 ~1989
18181739363634798 ~1988
18182303363646078 ~1988
18183299363665998 ~1988
18183839363676798 ~1988
181839432909430899 ~1990
18184499363689998 ~1988
181847171091083039 ~1989
18185171363703438 ~1988
181853171091119039 ~1989
181853331091119999 ~1989
18185423363708478 ~1988
18185819363716398 ~1988
1818613727813877927912 ~1997
18186263363725278 ~1988
18186359363727198 ~1988
18186611363732238 ~1988
181867574364821699 ~1990
18186851363737038 ~1988
181868531091211199 ~1989
181871931091231599 ~1989
Exponent Prime Factor Digits Year
18187259363745198 ~1988
18187511363750238 ~1988
18187751363755038 ~1988
18187931363758638 ~1988
18188603363772078 ~1988
18189179363783598 ~1988
18189299363785998 ~1988
18189599363791998 ~1988
18190283363805678 ~1988
18190379363807598 ~1988
18190751363815038 ~1988
181916871455334979 ~1989
181920671819206719 ~1989
18192143363842878 ~1988
18192299363845998 ~1988
181926791819267919 ~1989
18192743363854878 ~1988
18192803363856078 ~1988
18193139363862798 ~1988
18193211363864238 ~1988
181933791455470339 ~1989
18193523363870478 ~1988
181941612911065779 ~1990
181941771455534179 ~1989
181947171091683039 ~1989
Exponent Prime Factor Digits Year
18194843363896878 ~1988
181948671455589379 ~1989
181953012911248179 ~1990
181961091455688739 ~1989
181963031819630319 ~1989
18196523363930478 ~1988
18196571363931438 ~1988
18196679363933598 ~1988
18196823363936478 ~1988
18197219363944398 ~1988
18197339363946798 ~1988
18197423363948478 ~1988
18197771363955438 ~1988
18198179363963598 ~1988
18198263363965278 ~1988
18198683363973678 ~1988
18199823363996478 ~1988
18199931363998638 ~1988
18200219364004398 ~1988
182004073276073279 ~1990
182004371092026239 ~1989
18200471364009438 ~1988
18200771364015438 ~1988
182016292548228079 ~1990
182017611325088200911 ~1994
1388
GIMPS The Prime Pages FactorDb.com
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25-09-07