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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
18587711371754238 ~1988
18587963371759278 ~1988
18588371371767438 ~1988
185884611115307679 ~1989
18589139371782798 ~1988
18589223371784478 ~1988
18589283371785678 ~1988
185893094461434179 ~1990
18589583371791678 ~1988
185896011115376079 ~1989
185907731115446399 ~1989
18591263371825278 ~1988
185914931115489599 ~1989
18591539371830798 ~1988
185918412974694579 ~1990
18591959371839198 ~1988
18592319371846398 ~1988
18592643371852878 ~1988
185926611115559679 ~1989
185928011115568079 ~1989
18592859371857198 ~1988
18592919371858398 ~1988
18592943371858878 ~1988
18593339371866798 ~1988
18593423371868478 ~1988
Exponent Prime Factor Digits Year
185937134462491139 ~1990
185937411487499299 ~1989
18594671371893438 ~1988
185953214090970639 ~1990
18595751371915038 ~1988
185958531115751199 ~1989
18596159371923198 ~1988
185966532975464499 ~1990
18596723371934478 ~1988
18596783371935678 ~1988
18596843371936878 ~1988
18596999371939998 ~1988
18597191371943838 ~1988
18597899371957998 ~1988
18598199371963998 ~1988
18598631371972638 ~1988
18598763371975278 ~1988
185992131115952799 ~1989
18599579371991598 ~1988
18600299372005998 ~1988
18600539372010798 ~1988
186005771116034639 ~1989
186005778928276979
18600611372012238 ~1988
186006971116041839 ~1989
Exponent Prime Factor Digits Year
186007972604111599 ~1990
18600863372017278 ~1988
18601763372035278 ~1988
18602183372043678 ~1988
18602219372044398 ~1988
186024071860240719 ~1989
18602723372054478 ~1988
18603059372061198 ~1988
18603443372068878 ~1988
18603863372077278 ~1988
18604031372080638 ~1988
18604199372083998 ~1988
18604583372091678 ~1988
18604739372094798 ~1988
18604763372095278 ~1988
186047771116286639 ~1989
186048711488389699 ~1989
18604931372098638 ~1988
18605231372104638 ~1988
18605243372104878 ~1988
186052811116316879 ~1989
186058911488471299 ~1989
18606239372124798 ~1988
18606779372135598 ~1988
18606803372136078 ~1988
Exponent Prime Factor Digits Year
186075731116454399 ~1989
18607643372152878 ~1988
186077531116465199 ~1989
186078074465873699 ~1990
186080211488641699 ~1989
186082791488662339 ~1989
18608363372167278 ~1988
186090614093993439 ~1990
18609443372188878 ~1988
186094991860949919 ~1989
186097511860975119 ~1989
18610079372201598 ~1988
186109512977752179 ~1990
18611903372238078 ~1988
186121031861210319 ~1989
18612323372246478 ~1988
18612383372247678 ~1988
18612959372259198 ~1988
18613271372265438 ~1988
18613811372276238 ~1988
18614171372283438 ~1988
18614347119131820910 ~1991
18614759372295198 ~1988
186147771116886639 ~1989
186150611116903679 ~1989
1370
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25-05-04