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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
5693921341635278 ~1985
5694011113880238 ~1984
5694431113888638 ~1984
5694431455554498
5694581455566498 ~1985
5694659113893198 ~1984
5694971113899438 ~1984
5694971455597698
5695271455621698 ~1985
5695301455624098 ~1985
5695379113907598 ~1984
5695463113909278 ~1984
5695499113909998 ~1984
5695619113912398 ~1984
56956337176497599 ~1988
5695741545651987910 ~1990
5695981341758878 ~1985
5696057341763438 ~1985
5696063113921278 ~1984
5696101341766078 ~1985
5696123113922478 ~1984
5696239569623918 ~1985
5696429455714338 ~1985
56966291367190979 ~1986
5696783113935678 ~1984
Exp. Prime Factor Digits Year
5697563113951278 ~1984
5697619569761918 ~1985
56976611253485439 ~1986
5697677341860638 ~1985
5697743113954878 ~1984
5697793341867598 ~1985
5697899113957998 ~1984
5697911113958238 ~1984
5697943569794318 ~1985
56980311025645599 ~1986
56981691367560579 ~1986
56983613532983839 ~1987
5698439455875138 ~1985
5698523113970478 ~1984
5698691113973838 ~1984
5698739455899138 ~1985
5698817341929038 ~1985
5698883113977678 ~1984
5699237341954238 ~1985
5699873341992398 ~1985
5700307570030718 ~1985
5700911114018238 ~1984
5701037342062238 ~1985
5701259114025198 ~1984
5701271114025438 ~1984
Exp. Prime Factor Digits Year
5701357342081438 ~1985
5701379114027598 ~1984
5701627128856770310 ~1989
5701693342101598 ~1985
5701739114034798 ~1984
5701763114035278 ~1984
5701781456142498 ~1985
5702003114040078 ~1984
5702159114043198 ~1984
5702623570262318 ~1985
5702663114053278 ~1984
5702663644400919110
5702759114055198 ~1984
57027772737332979 ~1987
5702861342171678 ~1985
5702911570291118 ~1985
5703151912504178 ~1986
5703161342189678 ~1985
5703311114066238 ~1984
5703899456311938 ~1985
5704393342263598 ~1985
57043971369055299 ~1986
5704451456356098 ~1985
5704463114089278 ~1984
5704547456363778 ~1985
Exp. Prime Factor Digits Year
5704717342283038 ~1985
5704823114096478 ~1984
5705033342301998 ~1985
5705279114105598 ~1984
5705417456433378 ~1985
5705671570567118 ~1985
57058576732911279 ~1988
5706419114128398 ~1984
5706641456531298 ~1985
5706661342399678 ~1985
5706671114133438 ~1984
5706797342407838 ~1985
5706971114139438 ~1984
5707259114145198 ~1984
5707319114146398 ~1984
57075912397188239 ~1987
5707591197482648710
5707679114153598 ~1984
5707861342471678 ~1985
5707901342474078 ~1985
5708161342489678 ~1985
5708237456658978 ~1985
5708579456686338 ~1985
5708903114178078 ~1984
5708953913432498 ~1986
732
GIMPS The Prime Pages FactorDb.com
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25-04-13