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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
17272259345445198 ~1988
17272583345451678 ~1988
172727575181827119 ~1990
172730991381847939 ~1989
17274539345490798 ~1988
172746371036478239 ~1989
17274791345495838 ~1988
172754772764076339 ~1990
172756394146153379 ~1990
172762211036573279 ~1989
17276531345530638 ~1988
172767714491960479 ~1990
172770531036623199 ~1989
17277563345551278 ~1988
172776471382211779 ~1989
17277719345554398 ~1988
17277791345555838 ~1988
17277863345557278 ~1988
17278031345560638 ~1988
172780571036683439 ~1989
172784271382274179 ~1989
172784637256954479 ~1991
172788615183658319 ~1990
17279243345584878 ~1988
172800131036800799 ~1989
Exponent Prime Factor Digits Year
172802712764843379 ~1990
17280359345607198 ~1988
17280479345609598 ~1988
17280611345612238 ~1988
172807131036842799 ~1989
17280743345614878 ~1988
172809732764955680111 ~1995
172810795529945299 ~1990
17281223345624478 ~1988
172816372419429199 ~1990
172821171036927039 ~1989
172821411036928479 ~1989
17282543345650878 ~1988
17282879345657598 ~1988
17283083345661678 ~1988
17283251345665038 ~1988
172834391728343919 ~1989
17283839345676798 ~1988
17284451345689038 ~1988
172846211037077279 ~1989
17284703345694078 ~1988
17284859345697198 ~1988
17284919345698398 ~1988
17285759345715198 ~1988
172858371037150239 ~1989
Exponent Prime Factor Digits Year
17286023345720478 ~1988
17286383345727678 ~1988
17286539345730798 ~1988
17286803345736078 ~1988
17287163345743278 ~1988
17287379345747598 ~1988
172874113111733999 ~1990
172876674494793439 ~1990
17287703345754078 ~1988
172878132766050099 ~1990
17287859345757198 ~1988
17288291345765838 ~1988
172883531037301199 ~1989
172885732420400239 ~1990
172887171037323039 ~1989
17288951345779038 ~1988
17289143345782878 ~1988
17289179345783598 ~1988
172894216915768419 ~1991
17290391345807838 ~1988
17290439345808798 ~1988
17290631345812638 ~1988
172908371037450239 ~1989
17290979345819598 ~1988
172910334149847939 ~1990
Exponent Prime Factor Digits Year
17291471345829438 ~1988
17291759345835198 ~1988
17291951345839038 ~1988
17292059345841198 ~1988
172924611037547679 ~1989
17292623345852478 ~1988
17292911345858238 ~1988
172930931037585599 ~1989
17293151345863038 ~1988
17294111345882238 ~1988
172951211037707279 ~1989
17296043345920878 ~1988
172961932421467039 ~1990
17296271345925438 ~1988
172963131037778799 ~1989
172963371037780239 ~1989
17296451345929038 ~1988
17296703345934078 ~1988
172969971383759779 ~1989
17297123345942478 ~1988
17297183345943678 ~1988
172974591383796739 ~1989
17297471345949438 ~1988
17297699345953998 ~1988
172978791383830339 ~1989
1393
GIMPS The Prime Pages FactorDb.com
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26-02-08