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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
18184499363689998 ~1988
181847171091083039 ~1989
18185171363703438 ~1988
181853171091119039 ~1989
181853331091119999 ~1989
18185423363708478 ~1988
18185819363716398 ~1988
18186263363725278 ~1988
18186359363727198 ~1988
18186611363732238 ~1988
181867574364821699 ~1990
18186851363737038 ~1988
181868531091211199 ~1989
181871931091231599 ~1989
18187259363745198 ~1988
18187511363750238 ~1988
18187751363755038 ~1988
18187931363758638 ~1988
18188603363772078 ~1988
18189179363783598 ~1988
18189299363785998 ~1988
18189599363791998 ~1988
18190283363805678 ~1988
18190379363807598 ~1988
18190751363815038 ~1988
Exponent Prime Factor Digits Year
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
18194843363896878 ~1988
181948671455589379 ~1989
181953012911248179 ~1990
181961091455688739 ~1989
181963031819630319 ~1989
18196523363930478 ~1988
18196571363931438 ~1988
18196679363933598 ~1988
18196823363936478 ~1988
18197219363944398 ~1988
18197339363946798 ~1988
Exponent Prime Factor Digits Year
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
18202139364042798 ~1988
18202403364048078 ~1988
18202451364049038 ~1988
18202643364052878 ~1988
18203239149266559910 ~1992
18203543364070878 ~1988
18203639364072798 ~1988
18203723364074478 ~1988
18204311364086238 ~1988
182044211092265279 ~1989
18204743364094878 ~1988
Exponent Prime Factor Digits Year
182050371092302239 ~1989
182053496918032639 ~1991
182059371456474979 ~1989
18206291364125838 ~1988
18206483364129678 ~1988
18207131364142638 ~1988
182075471820754719 ~1989
18209459364189198 ~1988
18209843364196878 ~1988
18210047265866686310 ~1992
182103171092619039 ~1989
18210359364207198 ~1988
182104071456832579 ~1989
18210743364214878 ~1988
18210971364219438 ~1988
18211103364222078 ~1988
18211223364224478 ~1988
18211439364228798 ~1988
18211499364229998 ~1988
18211619364232398 ~1988
18212123364242478 ~1988
18212303364246078 ~1988
182130671121924927311 ~1994
18213311364266238 ~1988
18213911364278238 ~1988
1350
GIMPS The Prime Pages FactorDb.com
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25-04-13