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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
15165191303303838 ~1987
15165263303305278 ~1987
15165539303310798 ~1987
151655932123183039 ~1989
15165599303311998 ~1987
15165719303314398 ~1987
15165721909943278 ~1988
15166163303323278 ~1987
15166181909970878 ~1988
15166583303331678 ~1987
15167123303342478 ~1987
15167423303348478 ~1987
151675491213403939 ~1989
15167641910058478 ~1988
15167653910059198 ~1988
15167759303355198 ~1987
15167843303356878 ~1987
151680532123527439 ~1989
15168119303362398 ~1987
15168311303366238 ~1987
15168371303367438 ~1987
15169513910170798 ~1988
151697232427155699 ~1989
15169859303397198 ~1987
15170033910201998 ~1988
Exponent Prime Factor Digits Year
15170279303405598 ~1987
151703814854521939 ~1990
15170591303411838 ~1987
15171203303424078 ~1987
15171419303428398 ~1987
151714516068580419 ~1990
15171983303439678 ~1987
151723036372367279 ~1990
15172343303446878 ~1987
15172511303450238 ~1987
15172739303454798 ~1987
15173759303475198 ~1987
15173831303476638 ~1987
15174611303492238 ~1987
15174683303493678 ~1987
15175343303506878 ~1987
15175571100158768710 ~1991
15175739303514798 ~1987
15175841910550478 ~1988
15175943303518878 ~1987
15176303303526078 ~1987
15176351303527038 ~1987
15176543303530878 ~1987
151765911214127299 ~1989
15177023303540478 ~1987
Exponent Prime Factor Digits Year
151773191517731919 ~1989
151775712731962799 ~1989
15178043303560878 ~1987
151780631517806319 ~1989
151781091214248739 ~1989
15178301910698078 ~1988
15178811303576238 ~1987
15179063303581278 ~1987
15179159303583198 ~1987
15179399303587998 ~1987
15179617910777038 ~1988
15179639303592798 ~1987
15179663303593278 ~1987
15179753303595060110 ~1992
15179891303597838 ~1987
15179999303599998 ~1987
15180479303609598 ~1987
15181031303620638 ~1987
15181091303621838 ~1987
15181499303629998 ~1987
15181559303631198 ~1987
15181871303637438 ~1987
15181913910914798 ~1988
15181979303639598 ~1987
15182039303640798 ~1987
Exponent Prime Factor Digits Year
15182353170042353710 ~1991
151825213340154639 ~1990
15182603303652078 ~1987
15182677910960638 ~1988
15182801910968078 ~1988
15183011303660238 ~1987
15183359303667198 ~1987
15183593911015598 ~1988
15183659303673198 ~1987
15183719303674398 ~1987
15184123461597339310 ~1992
151842411214739299 ~1989
15184523303690478 ~1987
15184751303695038 ~1987
15184811303696238 ~1987
15184973911098398 ~1988
151850332125904639 ~1989
151851711214813699 ~1989
15185399303707998 ~1987
15185591303711838 ~1987
15185699303713998 ~1987
15186191303723838 ~1987
151867273644814499 ~1990
15186959303739198 ~1987
15187181167058991110 ~1991
1239
GIMPS The Prime Pages FactorDb.com
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25-04-13