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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
31232483624649678 ~1989
31232891624657838 ~1989
31234523624690478 ~1989
31234751624695038 ~1989
31234823624696478 ~1989
31234883624697678 ~1989
312356534997704499 ~1992
31236671624733438 ~1989
31236851624737038 ~1989
31236923624738478 ~1989
312375731874254399 ~1991
31237931624758638 ~1989
31238183624763678 ~1989
31238411624768238 ~1989
312391931874351599 ~1991
31239431624788638 ~1989
31240991624819838 ~1989
31241051624821038 ~1989
31241531624830638 ~1989
31241543624830878 ~1989
312423313124233119 ~1991
31242899624857998 ~1989
31244183624883678 ~1989
312444411874666479 ~1991
31244723624894478 ~1989
Exponent Prime Factor Digits Year
31244819624896398 ~1989
31245479624909598 ~1989
31245491624909838 ~1989
312460372499682979 ~1991
312465193124651919 ~1991
31246643624932878 ~1989
31247159624943198 ~1989
312472612499780899 ~1991
31247459624949198 ~1989
312474592499796739
31247999624959998 ~1989
312486112499888899 ~1991
31249079624981598 ~1989
31250171625003438 ~1989
31250339625006798 ~1989
31250963625019278 ~1989
31251359625027198 ~1989
31252631625052638 ~1989
312529371875176239 ~1991
312529575000473139 ~1992
31253291625065838 ~1989
312540193125401919 ~1991
31254071625081438 ~1989
312547575000761139 ~1992
312548931875293599 ~1991
Exponent Prime Factor Digits Year
31255151625103038 ~1989
312559211875355279 ~1991
31256279625125598 ~1989
312562997501511779 ~1992
31257059625141198 ~1989
31257311625146238 ~1989
31257599625151998 ~1989
312587392500699139 ~1991
312587515626575199 ~1992
31258763625175278 ~1989
31259359131289307910 ~1993
31259699625193998 ~1989
31260143625202878 ~1989
31261343625226878 ~1989
31261883625237678 ~1989
31262111625242238 ~1989
31262519625250398 ~1989
312637734376928239 ~1992
31264379625287598 ~1989
312644771875868639 ~1991
31265471625309438 ~1989
312666435002662899 ~1992
31266803625336078 ~1989
31267163625343278 ~1989
31269671625393438 ~1989
Exponent Prime Factor Digits Year
31269971625399438 ~1989
31271543625430878 ~1989
31272539625450798 ~1989
31274783625495678 ~1989
31274843625496878 ~1989
31275143625502878 ~1989
31276543106340246310 ~1993
31277303625546078 ~1989
312776272502210179 ~1991
31278119625562398 ~1989
31279739625594798 ~1989
31281671625633438 ~1989
31282571625651438 ~1989
31283951625679038 ~1989
31284049125136196110 ~1993
31285139625702798 ~1989
31286243625724878 ~1989
31287017118890664710 ~1993
31289123625782478 ~1989
31290071625801438 ~1989
31290839625816798 ~1989
31291943625838878 ~1989
312941893755302680111 ~1996
31294223625884478 ~1989
31294301100141763310 ~1992
1678
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24-10-27