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
126123432017974899 ~1989
12612473756748398 ~1988
12612503252250078 ~1986
12612791252255838 ~1986
12612851252257038 ~1986
12612959252259198 ~1986
126131715297531839 ~1990
126135671261356719 ~1988
1261356766430611962312
12613619252272398 ~1986
12613871252277438 ~1986
12613897756833838 ~1988
126144171009153379 ~1988
12614639252292798 ~1986
12614963252299278 ~1986
12614999252299998 ~1986
12615191252303838 ~1986
12615611252312238 ~1986
126156536812452639 ~1990
12615781756946878 ~1988
12615923252318478 ~1986
12616181756970878 ~1988
12616621756997278 ~1988
12616739252334798 ~1986
126168431261684319 ~1988
Exponent Prime Factor Digits Year
12616979252339598 ~1986
126170711261707119 ~1988
12617161757029678 ~1988
12617219252344398 ~1986
126173574794595679 ~1990
12617771252355438 ~1986
126179211009433699 ~1988
12618323252366478 ~1986
126185691009485539 ~1988
12618803252376078 ~1986
12619093757145598 ~1988
12619421757165278 ~1988
12619643252392878 ~1986
12620141757208478 ~1988
12620561757233678 ~1988
12620603252412078 ~1986
12620963252419278 ~1986
12621241757274478 ~1988
12621659252433198 ~1986
126216714038934739 ~1989
126217315301127039 ~1990
12621877757312638 ~1988
126219111009752899 ~1988
12621977757318638 ~1988
12622033757321998 ~1988
Exponent Prime Factor Digits Year
12622079252441598 ~1986
12622133757327998 ~1988
12622979252459598 ~1986
12623077757384638 ~1988
12623441757406478 ~1988
12623981464562500910 ~1992
12624257757455438 ~1988
12624301757458078 ~1988
12624617757477038 ~1988
126247491009979939 ~1988
12624791252495838 ~1986
12625043252500878 ~1986
12625073757504398 ~1988
126250971010007779 ~1988
12625331252506638 ~1986
126254712020075379 ~1989
12625523252510478 ~1986
12625741757544478 ~1988
126257415050296419
12626357757581438 ~1988
126265671010125379 ~1988
12626891252537838 ~1986
126273012020368179 ~1989
12627313757638798 ~1988
12627547315688675110 ~1992
Exponent Prime Factor Digits Year
12627941757676478 ~1988
12627971252559438 ~1986
12628019252560398 ~1986
12628223252564478 ~1986
126283791010270339 ~1988
12628381757702878 ~1988
12628463252569278 ~1986
12628859252577198 ~1986
12629483252589678 ~1986
12629621757777278 ~1988
12629833757789998 ~1988
12629843252596878 ~1986
12630011252600238 ~1986
12630251252605038 ~1986
126305211010441699 ~1988
12630539252610798 ~1986
12630641757838478 ~1988
12630851252617038 ~1986
12631261757875678 ~1988
12631373757882398 ~1988
12631511252630238 ~1986
12632413757944798 ~1988
12632591252651838 ~1986
12632821757969278 ~1988
12633503252670078 ~1986
1206
GIMPS The Prime Pages FactorDb.com
Home
5.426.516 digits 		e-mail
26-03-08