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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
25356563669413263310 ~1994
25356731507134638 ~1989
25357019507140398 ~1989
25357859507157198 ~1989
25358771507175438 ~1989
253588331521529999 ~1990
25358843507176878 ~1989
25359083507181678 ~1989
25359419507188398 ~1989
25359539507190798 ~1989
25359839507196798 ~1989
253598712535987119 ~1991
25360403507208078 ~1989
25360523187667870310 ~1993
253609131521654799 ~1990
253612931521677599 ~1990
25361579507231598 ~1989
25361899405790384110 ~1993
25362731507254638 ~1989
25362803507256078 ~1989
25362839507256798 ~1989
25363199507263998 ~1989
25364039507280798 ~1989
253641731521850399 ~1990
25364291507285838 ~1989
Exponent Prime Factor Digits Year
25364723507294478 ~1989
253652114058433779 ~1991
253662912536629119 ~1991
25367123507342478 ~1989
253672192029377539 ~1990
253673514566123199 ~1991
25367939507358798 ~1989
25368851507377038 ~1989
25368911507378238 ~1989
25369511507390238 ~1989
25369979507399598 ~1989
253702371522214239 ~1990
25370399507407998 ~1989
25370711507414238 ~1989
25370879507417598 ~1989
25371371507427438 ~1989
253720731522324399 ~1990
253725974059615539 ~1991
253730872029846979 ~1990
253732811522396879 ~1990
253740531522443199 ~1990
253742771522456639 ~1990
25375403507508078 ~1989
25375859507517198 ~1989
25375919507518398 ~1989
Exponent Prime Factor Digits Year
25375943507518878 ~1989
25376059304512708110 ~1993
25376423507528478 ~1989
253774211522645279 ~1990
25377491507549838 ~1989
253776412030211299 ~1990
253777971522667839 ~1990
25377851507557038 ~1989
25378571507571438 ~1989
25378583507571678 ~1989
25379279507585598 ~1989
25379423507588478 ~1989
25379831507596638 ~1989
25379999507599998 ~1989
253803614060857779 ~1991
25380479507609598 ~1989
25380671507613438 ~1989
25380731507614638 ~1989
253810994568597839 ~1991
253811272030490179 ~1990
25381319507626398 ~1989
25381379507627598 ~1989
25381619507632398 ~1989
253818771522912639 ~1990
25382099507641998 ~1989
Exponent Prime Factor Digits Year
253821292030570339 ~1990
253823232538232319 ~1991
25382543507650878 ~1989
253825731522954399 ~1990
25382579507651598 ~1989
25382723507654478 ~1989
253832697614980719 ~1992
25383383507667678 ~1989
253835572030684579 ~1990
25384259507685198 ~1989
25384643507692878 ~1989
25384739507694798 ~1989
25384763507695278 ~1989
25384811507696238 ~1989
25384871507697438 ~1989
25385051507701038 ~1989
25385291507705838 ~1989
25386143507722878 ~1989
25386563507731278 ~1989
25387091507741838 ~1989
253873811523242879 ~1990
253874638123988179 ~1992
25387643507752878 ~1989
25388183507763678 ~1989
253882492031059939 ~1990
1608
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25-06-29