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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
40723799814475998 ~1990
407245339773887939 ~1993
407259773258078179 ~1992
40726799814535998 ~1990
40727363814547278 ~1990
407298132443788799 ~1992
407318932443913599 ~1992
40732271814645438 ~1990
40734203814684078 ~1990
407343012444058079 ~1992
40734457122203371110 ~1993
40734563814691278 ~1990
40734959814699198 ~1990
407355713258845699 ~1992
407359135703027839 ~1993
40736419162945676110 ~1994
407366993258935939 ~1992
40737971814759438 ~1990
407386516518184179 ~1993
40738811814776238 ~1990
407391972444351839 ~1992
40740599814811998 ~1990
40740611814812238 ~1990
40740779814815598 ~1990
407408273259266179 ~1992
Exponent Prime Factor Digits Year
40741451814829038 ~1990
40741559814831198 ~1990
40742657195564753710 ~1994
40742759814855198 ~1990
40743431814868638 ~1990
40743779814875598 ~1990
407438212444629279 ~1992
40744079814881598 ~1990
40744883814897678 ~1990
40745951814919038 ~1990
40746683814933678 ~1990
40747391814947838 ~1990
40747403814948078 ~1990
40747991814959838 ~1990
40748243130394377710 ~1993
40748423814968478 ~1990
40749179814983598 ~1990
40749239814984798 ~1990
407504693260037539 ~1992
40750499815009998 ~1990
40751759815035198 ~1990
40755059815101198 ~1990
40755109163020436110 ~1994
407554613260436899 ~1992
40755479815109598 ~1990
Exponent Prime Factor Digits Year
40755971815119438 ~1990
407564812445388879 ~1992
40756741187481008710 ~1994
407576772445460639 ~1992
407577077336387279 ~1993
40758803815176078 ~1990
40759223815184478 ~1990
40759343815186878 ~1990
40760039815200798 ~1990
40760771815215438 ~1990
40760831815216638 ~1990
407611099782666179 ~1993
407615575706617999 ~1993
407617972445707839 ~1992
40762031815240638 ~1990
40762763815255278 ~1990
407629634076296319 ~1992
407631372445788239 ~1992
407651393261211139 ~1992
40765331815306638 ~1990
40766471815329438 ~1990
40766651815333038 ~1990
40766729130453532910 ~1993
40767323815346478 ~1990
40767491815349838 ~1990
Exponent Prime Factor Digits Year
40767563815351278 ~1990
40768163815363278 ~1990
40768571815371438 ~1990
40768631815372638 ~1990
40768991815379838 ~1990
40769759815395198 ~1990
40770311815406238 ~1990
40770659815413198 ~1990
407710212446261279 ~1992
40771163815423278 ~1990
40771859815437198 ~1990
407718593261748739
407719313261754499 ~1992
40772219815444398 ~1990
40773119815462398 ~1990
40773143815462878 ~1990
407733532446401199 ~1992
40773443815468878 ~1990
40773923815478478 ~1990
40773983815479678 ~1990
40774523815490478 ~1990
40775411815508238 ~1990
40775963815519278 ~1990
40776503815530078 ~1990
407767135708739839 ~1993
2079
GIMPS The Prime Pages FactorDb.com
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26-02-08