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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.
Exponent Prime Factor Digits Year
221858112218581119 ~1990
22185851443717038 ~1988
22186019443720398 ~1988
221861331331167999 ~1990
22186331443726638 ~1988
221865731331194399 ~1990
221868113993625999 ~1991
22187603443752078 ~1988
221878571331271439 ~1990
22188191443763838 ~1988
221882275325174499 ~1991
22188251443765038 ~1988
22188563443771278 ~1988
221886111775088899 ~1990
22189151443783038 ~1988
221896334881719279 ~1991
221900391775203139 ~1990
221900533550408499 ~1991
221901672219016719 ~1990
221901731331410399 ~1990
22190243443804878 ~1988
22190351443807038 ~1988
221905214881914639 ~1991
22190579443811598 ~1988
221913471775307779 ~1990
Exponent Prime Factor Digits Year
22192091443841838 ~1988
221920971331525839 ~1990
221920978432996879
22192153155345071110 ~1992
221927331331563999 ~1990
22192799443855998 ~1988
22193063443861278 ~1988
22194013159796893710 ~1992
22194311443886238 ~1988
22194803443896078 ~1988
22195031443900638 ~1988
22195223443904478 ~1988
22195583443911678 ~1988
221960171331761039 ~1990
22196099443921998 ~1988
22196591443931838 ~1988
22196819443936398 ~1988
221971735327321539 ~1991
22197239443944798 ~1988
22197251443945038 ~1988
221974491775795939 ~1990
22197683443953678 ~1988
22198271443965438 ~1988
22198331443966638 ~1988
221991192219911919 ~1990
Exponent Prime Factor Digits Year
22199231443984638 ~1988
22199591443991838 ~1988
22200023444000478 ~1988
22200263444005278 ~1988
22200323444006478 ~1988
222003371332020239 ~1990
222005511776044099 ~1990
22201043444020878 ~1988
22201331444026638 ~1988
22201691444033838 ~1988
222020693108289679 ~1990
22202819444056398 ~1988
22202903444058078 ~1988
22203563444071278 ~1988
22203743444074878 ~1988
22203983444079678 ~1988
222040513996729199 ~1991
22204151444083038 ~1988
222047573108665999 ~1990
22204883444097678 ~1988
22205279444105598 ~1988
22205483444109678 ~1988
222055371776442979 ~1990
22205819444116398 ~1988
222059771332358639 ~1990
Exponent Prime Factor Digits Year
222064335329543939 ~1991
222065571776524579 ~1990
22207739444154798 ~1988
222079735329913539 ~1991
22208051444161038 ~1988
22208951444179038 ~1988
22209419444188398 ~1988
22209503444190078 ~1988
22209899444197998 ~1988
22209923444198478 ~1988
222100911776807299 ~1990
22210379444207598 ~1988
22210871444217438 ~1988
222112513553800179 ~1991
22211543444230878 ~1988
222116771332700639 ~1990
22211771444235438 ~1988
22212299444245998 ~1988
222124392221243919 ~1990
22212791444255838 ~1988
22213703444274078 ~1988
22213979444279598 ~1988
22213991444279838 ~1988
222140571332843439 ~1990
22214099444281998 ~1988
1532
GIMPS The Prime Pages FactorDb.com
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25-09-22