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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.
Exp. Prime Factor Digits Year
1252247601078578 ~1982
12522471227202079
125225925045197 ~1979
1252267200362738 ~1981
125234325046877 ~1979
1252343325609198
125240325048077 ~1979
1252411125241118 ~1980
1252421375726318 ~1981
1252451100196098 ~1980
1252457100196578 ~1980
1252469475938238 ~1982
1252609375782718 ~1981
125263125052637 ~1979
1252631325684078
1252819225507438 ~1981
1252843125284318 ~1980
125291375174797 ~1980
1252913400932178
125299125059837 ~1979
1252991526256238
1253047125304718 ~1980
12530895187788479 ~1984
1253093676670238 ~1982
125309925061997 ~1979
Exp. Prime Factor Digits Year
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
1254557100364578 ~1980
1254607828040638 ~1982
1254683928465438 ~1982
1254733903407778 ~1982
125483925096797 ~1979
125513925102797 ~1979
Exp. Prime Factor Digits Year
1255187100414978 ~1980
125523775314237 ~1980
125530175318077 ~1980
125535775321437 ~1980
125542175325277 ~1980
125545125109037 ~1979
12555671732682479 ~1983
1255601376680318 ~1981
1255601477128398
1255619100449538 ~1980
125572175343277 ~1980
1255721129590407310
1255861376758318 ~1981
1255907226063278 ~1981
1255949100475938 ~1980
125606325121277 ~1979
125623125124637 ~1979
1256231100498498
1256267100501378 ~1980
1256429477443038 ~1982
1256429678471678
1256531100522498 ~1980
125654325130877 ~1979
125659775395837 ~1980
1256659427264078 ~1982
Exp. Prime Factor Digits Year
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
125756325151277 ~1979
1257569100605538 ~1980
125772175463277 ~1980
12577874122...366527378632 1996
1257829301878978 ~1981
125787775472637 ~1980
288
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25-11-17