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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
2534041152042478 ~1982
2534297608231298 ~1984
2534431253443118 ~1983
2534561202764898 ~1982
2534603221017381710 ~1987
25346715474889379 ~1986
2534681202774498 ~1982
253478350695677 ~1981
253487950697597 ~1981
25348811013952419 ~1984
2534993354899038 ~1983
2534993608398338
25350072230806179 ~1985
2535019253501918 ~1983
2535059456310638 ~1983
2535109557723998 ~1984
2535331456359598 ~1983
25353891216986739 ~1984
2535443811341778 ~1984
253547950709597 ~1981
2535527456394878 ~1983
2535571253557118 ~1983
253567150713437 ~1981
2535937405749938 ~1983
253595950719197 ~1981
Exp. Prime Factor Digits Year
253603150720637 ~1981
2536123405779698 ~1983
2536267253626718 ~1983
2536267405802738
253634350726877 ~1981
2536361202908898 ~1982
2536559811698898 ~1984
2536561152193678 ~1982
2536631456593598 ~1983
253664350732877 ~1981
2536873608849538 ~1984
2536903608856738 ~1984
2537083253708318 ~1983
25372192638707779 ~1985
2537237202978978 ~1982
2537347253734718 ~1983
2537363608967138 ~1984
253799950759997 ~1981
2537999203039938
2538091253809118 ~1983
2538101152286078 ~1982
2538157152289438 ~1982
2538241152294478 ~1982
2538337609200898 ~1984
253835950767197 ~1981
Exp. Prime Factor Digits Year
253847950769597 ~1981
2538493406158898 ~1983
2538521152311278 ~1982
2538527609246498 ~1984
2538617609268098 ~1984
2538619253861918 ~1983
2538619609268578
253880350776077 ~1981
253898350779677 ~1981
2539157355481998 ~1983
2539213152352798 ~1982
2539343660229198 ~1984
2539393152363598 ~1982
2539513406322098 ~1983
253957150791437 ~1981
2539571116312351910
2539573406331698 ~1983
2539577152374638 ~1982
2539577609498498
25395772793534719
2539633406341298 ~1983
253987150797437 ~1981
2540071406411378 ~1983
2540099457217838 ~1983
25401412184521279 ~1985
Exp. Prime Factor Digits Year
2540183183401212710 ~1987
254023150804637 ~1981
2540479254047918 ~1983
2540537609728898 ~1984
2540597152435838 ~1982
2540617152437038 ~1982
254090350818077 ~1981
2540933355730638 ~1983
2540981203278498 ~1982
2541043406566898 ~1983
2541127254112718 ~1983
2541563813300178 ~1984
254168350833677 ~1981
254174350834877 ~1981
254191150838237 ~1981
2541997152519838 ~1982
2542051254205118 ~1983
2542109203368738 ~1982
254222350844477 ~1981
2542471406795378 ~1983
25424811983135199 ~1985
254261950852397 ~1981
2542649355970878 ~1983
2542699254269918 ~1983
2542733355982638 ~1983
449
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25-06-29