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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
1216529170314078 ~1981
121661997329537 ~1980
1216693657014238 ~1982
121671773003037 ~1980
121675124335037 ~1979
121675197340097
121679997343937 ~1980
121684197347297 ~1980
121691373014797 ~1980
1216937657145998 ~1982
1216939486775618 ~1982
12169873504922579 ~1984
121701773021037 ~1980
121705373023197 ~1980
121705797364577 ~1980
121706324341277 ~1979
1217131121713118 ~1980
1217299121729918 ~1980
121739373043597 ~1980
121739924347997 ~1979
121748324349677 ~1979
121765197412097 ~1980
12176511168944979
121766324353277 ~1979
121767773060637 ~1980
Exp. Prime Factor Digits Year
121775924355197 ~1979
121792173075277 ~1980
1217933292303938 ~1981
1218307706618078 ~1982
1218473389911378 ~1981
1218649268102798 ~1981
121877924375597 ~1979
1218853195016498 ~1981
121892324378477 ~1979
1218923682596898
1219343682832098 ~1982
121945373167197 ~1980
1219577585396978 ~1982
12196199878913919 ~1985
1219649292715778 ~1981
121965773179437 ~1980
121970324394077 ~1979
121976324395277 ~1979
1219783512308878 ~1982
121985924397197 ~1979
1219871878307138 ~1982
121991373194797 ~1980
121991924398397 ~1979
121999197599297 ~1980
1220203488081218 ~1982
Exp. Prime Factor Digits Year
1220239219643038 ~1981
1220489292917378 ~1981
1220623292949538 ~1981
1220657463849678 ~1982
1220669170893678 ~1981
12207431001009279 ~1982
1220783610391518 ~1982
122081924416397 ~1979
122090324418077 ~1979
1220953488381218 ~1982
1220983122098318 ~1980
1221089586122738 ~1982
122113124422637 ~1979
122129924425997 ~1979
122138324427677 ~1979
1221551317603278 ~1981
12215931050569999 ~1983
1221631488652418 ~1982
1221667122166718 ~1980
12216671099500319
1221749366524718 ~1981
1221767610883518 ~1982
122179124435837 ~1979
1221907195505138 ~1981
1221937562091038 ~1982
Exp. Prime Factor Digits Year
1222063293295138 ~1981
1222097171093598 ~1981
1222159219988638 ~1981
1222187317768638 ~1981
1222253293340738 ~1981
1222267708914878 ~1982
12223072077921919 ~1983
122239373343597 ~1980
1222409171137278 ~1981
1222409293378178
122251373350797 ~1980
1222567220062078 ~1981
1222597293423298 ~1981
1222723122272318 ~1980
1222769171187678 ~1981
1222831122283118 ~1980
122288997831137 ~1980
122294324458877 ~1979
122296797837377 ~1980
1222993660416238 ~1982
1223059709374238 ~1982
1223093391389778 ~1981
1223177171244798 ~1981
122319773391837 ~1980
122323124464637 ~1979
284
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26-01-11