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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.
Exp. Prime Factor Digits Year
6878071687807118 ~1986
6878099137561998 ~1984
6878141550251298 ~1986
6878369990485136110 ~1991
6878371687837118 ~1986
6878519137570398 ~1984
6878731687873118 ~1986
6878831137576638 ~1984
68788437841881039 ~1989
6878917412735038 ~1986
6878951550316098 ~1986
6878981550318498 ~1986
6879683137593678 ~1984
6879823687982318 ~1986
6879839137596798 ~1984
6879997412799838 ~1986
6880061412803678 ~1986
68801271238422879 ~1987
6880241550419298 ~1986
6880319137606398 ~1984
68804172752166819 ~1988
6880589550447138 ~1986
6880589963282478
6881351137627038 ~1984
68813831651531939 ~1987
Exp. Prime Factor Digits Year
6881429550514338 ~1986
6881579137631598 ~1984
6882131137642638 ~1984
6882311137646238 ~1984
68824571651789699 ~1987
6882643688264318 ~1986
6882761550620898 ~1986
6882779137655598 ~1984
6882779550622338
6883007550640578 ~1986
6883307550664578 ~1986
6883337413000238 ~1986
6883391137667838 ~1984
6883403137668078 ~1984
68835231652045539 ~1987
6883561413013678 ~1986
6883763137675278 ~1984
6884431688443118 ~1986
6884459137689198 ~1984
6884599688459918 ~1986
6884617413077038 ~1986
6884777550782178 ~1986
6884939137698798 ~1984
6884939550795138
68849711239294799 ~1987
Exp. Prime Factor Digits Year
6885143137702878 ~1984
6885167550813378 ~1986
6885251137705038 ~1984
6885377413122638 ~1986
6885479137709598 ~1984
6885631688563118 ~1986
6885691998425195110 ~1991
6885779137715598 ~1984
6885917413155038 ~1986
6886091137721838 ~1984
6886091550887298
68861413167624879 ~1988
6886213413172798 ~1986
6886301413178078 ~1986
68863314544978479 ~1988
6886441413186478 ~1986
6886469198330307310 ~1990
6886519688651918 ~1986
6886577413194638 ~1986
6886679137733598 ~1984
68867271652814499 ~1987
6886739137734798 ~1984
68868071101889139 ~1987
6886823137736478 ~1984
68868831790589599 ~1987
Exp. Prime Factor Digits Year
6887183137743678 ~1984
6887219550977538 ~1986
6887393413243598 ~1986
6887411137748238 ~1984
6887429550994338 ~1986
6887663137753278 ~1984
6887759137755198 ~1984
6887953413277198 ~1986
6888097413285838 ~1986
6888103688810318 ~1986
6888151688815118 ~1986
6888197964347598 ~1987
6888257413295438 ~1986
6888599137771998 ~1984
6888641551091298 ~1986
6888677413320638 ~1986
6888857551108578 ~1986
6888877413332638 ~1986
6889451137789038 ~1984
6889453413367198 ~1986
6889529964534078 ~1987
6889637413378238 ~1986
68897391240153039 ~1987
6889859137797198 ~1984
6889921413395278 ~1986
874
GIMPS The Prime Pages FactorDb.com
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26-09-27