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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
61997363161193143910 ~1995
619987014959896099 ~1993
619988413719930479 ~1993
620002191240004399 ~1992
620013231240026479 ~1992
620025711240051439 ~1992
620026494960211939 ~1993
620026791240053599 ~1992
620082231240164479 ~1992
620107311240214639 ~1992
620113431240226879 ~1992
620126031240252079 ~1992
620127711240255439 ~1992
620129631240259279 ~1992
62013337148832008910 ~1994
620138514961108099 ~1993
62014489186043467110 ~1995
620145831240291679 ~1992
620186813721120879 ~1993
620215791240431599 ~1992
620239191240478399 ~1992
620260311240520639 ~1992
620271111240542239 ~1992
620286711240573439 ~1992
620295594962364739 ~1993
Exponent Prime Factor Digits Year
620300991240601999 ~1992
620310591240621199 ~1992
620317191240634399 ~1992
620344431240688879 ~1992
620357631240715279 ~1992
620372631240745279 ~1992
620377613722265679 ~1993
620379711240759439 ~1992
620383036203830319 ~1994
620388711240777439 ~1992
620404791240809599 ~1992
620419014963352099 ~1993
620430711240861439 ~1992
620434191240868399 ~1992
620474773722848639 ~1993
620480991240961999 ~1992
620502831241005679 ~1992
620505591241011199 ~1992
620515431241030879 ~1992
620526711241053439 ~1992
620540391241080799 ~1992
620574831241149679 ~1992
62058923148941415310 ~1994
620593311241186639 ~1992
620606391241212799 ~1992
Exponent Prime Factor Digits Year
620642511241285039 ~1992
62064377484102140710 ~1996
620657213723943279 ~1993
62066611297919732910 ~1995
620677013724062079 ~1993
620706231241412479 ~1992
620726631241453279 ~1992
620729214965833699 ~1993
620734911241469839 ~1992
620741391241482799 ~1992
620742231241484479 ~1992
62074669186224007110 ~1995
620766111241532239 ~1992
620767676009031045711 ~1998
620779494966235939 ~1993
620779933724679599 ~1993
620792631241585279 ~1992
620793831241587679 ~1992
620812311241624639 ~1992
620818791241637599 ~1992
620825511241651039 ~1992
620832231241664479 ~1992
620833974966671779 ~1993
620845911241691839 ~1992
620854311241708639 ~1992
Exponent Prime Factor Digits Year
620865594966924739 ~1993
620874711241749439 ~1992
620879514967036099 ~1993
620884914967079299 ~1993
620898831241797679 ~1992
620929519934872179 ~1994
620951511241903039 ~1992
620961173725767039 ~1993
62096467149031520910 ~1994
620990031241980079 ~1992
620991231241982479 ~1992
620993631241987279 ~1992
62100239298081147310 ~1995
621007613726045679 ~1993
621028973726173839 ~1993
621031791242063599 ~1992
621038511242077039 ~1992
621043791242087599 ~1992
621045831242091679 ~1992
62105479111789862310 ~1994
621057831242115679 ~1992
621062511242125039 ~1992
62106533198740905710 ~1995
621073431242146879 ~1992
621076978695077599 ~1994
2153
GIMPS The Prime Pages FactorDb.com
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25-04-13