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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
22060739441214798 ~1988
22061411441228238 ~1988
220616472206164719 ~1990
22062191441243838 ~1988
22062671441253438 ~1988
22062919194153687310 ~1992
22063631441272638 ~1988
22063799441275998 ~1988
22063991441279838 ~1988
22064459441289198 ~1988
22064639441292798 ~1988
220648571323891439 ~1990
220653537060912979 ~1991
220655531323933199 ~1990
220659913971878399 ~1991
22066139441322798 ~1988
22066151441323038 ~1988
22066679441333598 ~1988
220667211324003279 ~1990
22067219441344398 ~1988
220674771765398179 ~1990
220678971324073839 ~1990
220683531324101199 ~1990
22068479441369598 ~1988
22068551441371038 ~1988
Exponent Prime Factor Digits Year
22068659441373198 ~1988
22068719441374398 ~1988
22069919441398398 ~1988
22070291441405838 ~1988
22070519441410398 ~1988
22070663441413278 ~1988
220708133089913839 ~1990
22070831441416638 ~1988
22070963441419278 ~1988
22071239441424798 ~1988
22071551441431038 ~1988
22071779441435598 ~1988
22072343441446878 ~1988
22072703441454078 ~1988
22072931441458638 ~1988
22072943441458878 ~1988
22073591441471838 ~1988
22074119441482398 ~1988
22075139441502798 ~1988
220756931324541599 ~1990
22075811441516238 ~1988
220763211925055191311 ~1995
22076339441526798 ~1988
22076459441529198 ~1988
220765992207659919 ~1990
Exponent Prime Factor Digits Year
22076843441536878 ~1988
22076891441537838 ~1988
220769331324615999 ~1990
22076963441539278 ~1988
22077119441542398 ~1988
22077383441547678 ~1988
22078139441562798 ~1988
220781811324690879 ~1990
22078379441567598 ~1988
220790171324741039 ~1990
22079723441594478 ~1988
220797771324786639 ~1990
22079891441597838 ~1988
220800531324803199 ~1990
22080431441608638 ~1988
22080491441609838 ~1988
22080497119234683910 ~1992
220805571324833439 ~1990
22080599441611998 ~1988
220806771324840639 ~1990
220818971324913839 ~1990
22082051441641038 ~1988
22082471441649438 ~1988
22082519441650398 ~1988
22082939441658798 ~1988
Exponent Prime Factor Digits Year
22083179441663598 ~1988
22083371441667438 ~1988
220835331325011999 ~1990
22083683441673678 ~1988
22083779441675598 ~1988
22083791441675838 ~1988
22084619441692398 ~1988
22085291441705838 ~1988
22085351441707038 ~1988
220858971766871779 ~1990
22086611441732238 ~1988
22086671441733438 ~1988
220869792208697919 ~1990
22087259441745198 ~1988
220874118834964419 ~1992
220876491767011939 ~1990
22087883441757678 ~1988
22088471441769438 ~1988
22088663441773278 ~1988
220888971767111779 ~1990
22089299441785998 ~1988
22089311441786238 ~1988
22090151441803038 ~1988
22090319441806398 ~1988
220903333534453299 ~1991
1535
GIMPS The Prime Pages FactorDb.com
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25-10-20