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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
22137779442755598 ~1988
22138283442765678 ~1988
22138559442771198 ~1988
22139483442789678 ~1988
22139699442793998 ~1988
221397494870744799 ~1991
22139891442797838 ~1988
22140071442801438 ~1988
22141043442820878 ~1988
22141319442826398 ~1988
22141391442827838 ~1988
221414517085264339 ~1991
22141643442832878 ~1988
221420232214202319 ~1990
22142231442844638 ~1988
22142651442853038 ~1988
221429771328578639 ~1990
22143311442866238 ~1988
221434971771479779 ~1990
22143743442874878 ~1988
22143899442877998 ~1988
221443611771548899 ~1990
22144511442890238 ~1988
22144631442892638 ~1988
22145099442901998 ~1988
Exponent Prime Factor Digits Year
22145723442914478 ~1988
22145759442915198 ~1988
22145939442918798 ~1988
22146203442924078 ~1988
221464131328784799 ~1990
221466111771728899 ~1990
22146791442935838 ~1988
22146863442937278 ~1988
22147259442945198 ~1988
221474271771794179 ~1990
221475296644258719 ~1991
221475792214757919 ~1990
22148099442961998 ~1988
22148579442971598 ~1988
22148723442974478 ~1988
22149251442985038 ~1988
221493971328963839 ~1990
22149503442990078 ~1988
22150811443016238 ~1988
22150883443017678 ~1988
22151411443028238 ~1988
22151819443036398 ~1988
22152239443044798 ~1988
221524373101341199 ~1990
22153283443065678 ~1988
Exponent Prime Factor Digits Year
221535433544566899 ~1991
22153811443076238 ~1988
22153931443078638 ~1988
221539975316959299 ~1991
221546112215461119 ~1990
22154711443094238 ~1988
22154771443095438 ~1988
221550595317214179 ~1991
22155179443103598 ~1988
22155299443105998 ~1988
221563071772504579 ~1990
221563611772508899 ~1990
221565291772522339 ~1990
221574072215740719 ~1990
22157483443149678 ~1988
221578992215789919 ~1990
22158239443164798 ~1988
22158299443165998 ~1988
22158371443167438 ~1988
22159811443196238 ~1988
22159919443198398 ~1988
22159979443199598 ~1988
22160123443202478 ~1988
22160291443205838 ~1988
22160423443208478 ~1988
Exponent Prime Factor Digits Year
221606933102497039 ~1990
22161179443223598 ~1988
22161479443229598 ~1988
22162139443242798 ~1988
22162571443251438 ~1988
22163051443261038 ~1988
22163159443263198 ~1988
22163483443269678 ~1988
22163783443275678 ~1988
221638035319312739 ~1991
22163891443277838 ~1988
221640971329845839 ~1990
22164959443299198 ~1988
22165043443300878 ~1988
22165151443303038 ~1988
22165211443304238 ~1988
221656011329936079 ~1990
22165823443316478 ~1988
22165991443319838 ~1988
221660171329961039 ~1990
22166159443323198 ~1988
22166257687153967110 ~1994
22166471443329438 ~1988
22166591443331838 ~1988
22166603443332078 ~1988
1485
GIMPS The Prime Pages FactorDb.com
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25-04-13