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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
1222769171187678 ~1981
1222831122283118 ~1980
122288997831137 ~1980
122294324458877 ~1978
122296797837377 ~1980
1222993660416238 ~1982
1223093391389778 ~1981
1223177171244798 ~1981
122319773391837 ~1980
122323124464637 ~1978
1223279391449298 ~1981
122345924469197 ~1978
12234919004893779 ~1985
1223533269177278 ~1981
1223683293683938 ~1981
1223749367124718 ~1981
1223777660839598 ~1982
122387924477597 ~1978
122395373437197 ~1980
122413124482637 ~1978
1224239391756498 ~1981
1224439122443918 ~1980
122459924491997 ~1979
1224599293903778
1224709489883618 ~1982
Exp. Prime Factor Digits Year
1224763195962098 ~1981
1224859293966178 ~1981
1224913195986098 ~1981
12250094091530079 ~1984
1225019294004578 ~1981
122511773507037 ~1980
1225261857682718 ~1982
122533124506637 ~1979
1225331612665518
122557124511437 ~1979
1225579588277938 ~1982
122587198069697 ~1980
1225879294210978 ~1981
122588324517677 ~1979
122607773564637 ~1980
1226077196172338
1226101196176178 ~1981
122611124522237 ~1979
1226297367889118 ~1981
122633924526797 ~1979
122641773585037 ~1980
1226483318885598 ~1981
122654998123937 ~1980
122655773593437 ~1980
1226593367977918 ~1981
Exp. Prime Factor Digits Year
1226609392514898 ~1981
122665124533037 ~1979
122678324535677 ~1979
122678998143137 ~1980
1226789368036718
1226803122680318 ~1980
122685773611437 ~1980
122689124537837 ~1979
1226899515297598 ~1982
1226899588911538
122705373623197 ~1980
1227131515395038 ~1982
1227181883570338 ~1982
122733773640237 ~1980
1227497466448878 ~1982
12274971178397139
12275592062299139 ~1983
122756324551277 ~1979
122763773658237 ~1980
122783373669997 ~1980
122788173672877 ~1980
122791124558237 ~1979
1227943491177218 ~1982
1228273270220078 ~1981
1228277368483118 ~1981
Exp. Prime Factor Digits Year
12282911670475779 ~1983
122837373702397 ~1980
1228391515924238 ~1982
122839373703597 ~1980
122853773712237 ~1980
1228567122856718 ~1980
122858998287137 ~1980
1228603417725038 ~1982
122869124573837 ~1979
122874173724477 ~1980
1228889393244498 ~1981
12288891253466799
1228891196622578 ~1981
122891924578397 ~1979
1229071221232798 ~1981
1229149270412798 ~1981
1229149589991538
1229197786686098 ~1982
1229483295075938 ~1981
1229531393449938 ~1981
1229597172143598 ~1981
1229707221347278 ~1981
1229719295132578 ~1981
1229897295175298 ~1981
122993924598797 ~1979
278
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25-04-06