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.
Exp. Prime Factor Digits Year
125299125059837 ~1979
1252991526256238
1253047125304718 ~1980
12530895187788479 ~1984
1253093676670238 ~1982
125309925061997 ~1979
125311125062237 ~1979
125333375199997 ~1980
1253479802226578 ~1982
1253519100281538 ~1980
125378325075677 ~1979
1253897978039678 ~1983
125395125079037 ~1979
125396325079277 ~1979
125402325080477 ~1979
1254161476581198 ~1982
1254251100340098 ~1980
12542571580363839 ~1983
1254301602064498 ~1982
1254317100345378 ~1980
1254367225786078 ~1981
125437125087437 ~1979
1254479100358338 ~1980
1254497175629598 ~1981
1254497376349118
Exp. Prime Factor Digits Year
1254557100364578 ~1980
1254607828040638 ~1982
1254683928465438 ~1982
1254733903407778 ~1982
125483925096797 ~1979
125513925102797 ~1979
1255187100414978 ~1980
125523775314237 ~1980
125530175318077 ~1980
125535775321437 ~1980
125542175325277 ~1980
125545125109037 ~1979
12555671732682479 ~1983
1255601376680318 ~1982
1255601477128398
1255619100449538 ~1980
125572175343277 ~1980
1255721129590407310
1255861376758318 ~1982
1255907226063278 ~1981
1255949100475938 ~1980
125606325121277 ~1979
125623125124637 ~1979
1256231100498498
1256267100501378 ~1980
Exp. Prime Factor Digits Year
1256429477443038 ~1982
1256429678471678
1256531100522498 ~1980
125654325130877 ~1979
125659775395837 ~1980
1256659427264078 ~1982
1256747100539778 ~1980
1256813377043918 ~1982
1256837100546978 ~1980
1256873402199378 ~1982
1257043125704318 ~1980
1257071100565698 ~1980
1257089100567138 ~1980
125713125142637 ~1979
1257239100579138 ~1980
12572531508703619 ~1983
1257281905242338 ~1982
125729375437597 ~1980
1257293176021038
1257293678938238
1257313678949038 ~1982
125732325146477 ~1979
1257331125733118 ~1980
125735925147197 ~1979
1257463301791138 ~1981
Exp. Prime Factor Digits Year
125756325151277 ~1979
1257569100605538 ~1980
125772175463277 ~1980
12577874122...366527378632 1996
1257829301878978 ~1981
125787775472637 ~1980
1258087427749598 ~1982
125814175488477 ~1980
125817775490637 ~1980
1258207603939378 ~1982
1258409100672738 ~1980
1258457604059378 ~1982
1258511226531998 ~1981
1258531729947998 ~1982
1258627503450818 ~1982
1258657578982238 ~1982
1258819427998478 ~1982
12589733021535219 ~1984
125903925180797 ~1979
1259053302172738 ~1981
125909925181997 ~1979
1259113503645218 ~1982
125924325184877 ~1979
1259249100739938 ~1980
125931775559037 ~1980
291
GIMPS The Prime Pages FactorDb.com
Home
5.471.290 digits 		e-mail
26-03-29