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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
11562973693778398 ~1987
115630032775120739 ~1989
11563157693789438 ~1987
11563613693816798 ~1987
115636932544012479 ~1989
11564051231281038 ~1986
115642192081559439 ~1988
11564381693862878 ~1987
11564543231290878 ~1986
11564821693889278 ~1987
11565143231302878 ~1986
11565377693922638 ~1987
11565419231308398 ~1986
11565551231311038 ~1986
11566211231324238 ~1986
11566283231325678 ~1986
11566319925305538 ~1988
11566391231327838 ~1986
11566463231329278 ~1986
115665191156651919 ~1988
11566733694003998 ~1987
115667331619342639
11566837694010238 ~1987
11566931231338638 ~1986
115670415320838879 ~1989
Exponent Prime Factor Digits Year
11567261694035678 ~1987
11567411231348238 ~1986
11567737694064238 ~1987
11567771231355438 ~1986
11567821694069278 ~1987
115678213470346319
11568299231365998 ~1986
11568443231368878 ~1986
11568671231373438 ~1986
11568731231374638 ~1986
11568743231374878 ~1986
11568761925500898 ~1988
11568803231376078 ~1986
115689176247215199 ~1990
11568961694137678 ~1987
11569559231391198 ~1986
11569583231391678 ~1986
11569643231392878 ~1986
11569703231394078 ~1986
11569823231396478 ~1986
11569991231399838 ~1986
11570129925610338 ~1988
11571073694264398 ~1987
11571317694279038 ~1987
11571317925705378
Exponent Prime Factor Digits Year
11571383231427678 ~1986
11571419231428398 ~1986
11571743231434878 ~1986
11571803231436078 ~1986
11572283231445678 ~1986
11572321694339278 ~1987
11572679231453598 ~1986
11572741694364478 ~1987
115729912083138399 ~1988
11573123231462478 ~1986
11573231231464638 ~1986
115733633703476179 ~1989
11573833694429998 ~1987
115738571851817139 ~1988
11574119231482398 ~1986
11574131231482638 ~1986
115752191157521919 ~1988
11575439231508798 ~1986
11575517926041378 ~1988
11575841926067298 ~1988
115758731852139699 ~1988
11576219231524398 ~1986
11576231231524638 ~1986
11576879231537598 ~1986
11576927926154178 ~1988
Exponent Prime Factor Digits Year
11577107926168578 ~1988
115771991157719919 ~1988
11577851231557038 ~1986
115778514862697439
11577959231559198 ~1986
11578103231562078 ~1986
11578181694690878 ~1987
115781992084075839 ~1988
11578397694703838 ~1987
11578813164419144710 ~1991
11579003231580078 ~1986
11579231231584638 ~1986
11579411231588238 ~1986
11579699231593998 ~1986
11579831231596638 ~1986
11580509926440738 ~1988
11580731926458498 ~1988
11580809926464738 ~1988
11581379231627598 ~1986
11581477694888638 ~1987
11582531231650638 ~1986
11582849926627938 ~1988
11582929108879532710 ~1990
11582999231659998 ~1986
11583251231665038 ~1986
1089
GIMPS The Prime Pages FactorDb.com
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25-04-13