Home e-mail
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
25349039506980798 ~1989
253491533548881439 ~1991
25349183506983678 ~1989
253493219632741999 ~1992
25349531506990638 ~1989
253504971521029839 ~1990
253505992028047939 ~1990
25350971507019438 ~1989
253511411521068479 ~1990
25351223507024478 ~1989
253515112028120899 ~1990
25351523507030478 ~1989
253516571521099439 ~1990
253521436084514339 ~1991
25352231507044638 ~1989
25352399507047998 ~1989
25352891507057838 ~1989
25353299507065998 ~1989
25353431507068638 ~1989
25353623507072478 ~1989
25354019507080398 ~1989
25354271507085438 ~1989
25354991507099838 ~1989
253558398620985279 ~1992
25356563669413263310 ~1994
Exponent Prime Factor Digits Year
25356731507134638 ~1989
25357019507140398 ~1989
25357859507157198 ~1989
25358771507175438 ~1989
253588331521529999 ~1990
25358843507176878 ~1989
25359083507181678 ~1989
25359419507188398 ~1989
25359539507190798 ~1989
25359839507196798 ~1989
253598712535987119 ~1991
25360403507208078 ~1989
253609131521654799 ~1990
253612931521677599 ~1990
25361579507231598 ~1989
25361899405790384110 ~1993
25362731507254638 ~1989
25362803507256078 ~1989
25362839507256798 ~1989
25363199507263998 ~1989
25364039507280798 ~1989
253641731521850399 ~1990
25364291507285838 ~1989
25364723507294478 ~1989
253652114058433779 ~1991
Exponent Prime Factor Digits Year
253662912536629119 ~1991
25367123507342478 ~1989
253672192029377539 ~1990
25367939507358798 ~1989
25368851507377038 ~1989
25368911507378238 ~1989
25369511507390238 ~1989
25369979507399598 ~1989
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
25375943507518878 ~1989
25376059304512708110 ~1993
25376423507528478 ~1989
253774211522645279 ~1990
Exponent Prime Factor Digits Year
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
253821292030570339 ~1990
253823232538232319 ~1991
25382543507650878 ~1989
253825731522954399 ~1990
1585
GIMPS The Prime Pages FactorDb.com
Home
4.724.182 digits 		e-mail
25-04-13