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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
22127519442550398 ~1988
22127879442557598 ~1988
22128503442570078 ~1988
221286495310875779 ~1991
221287671770301379 ~1990
22128803442576078 ~1988
221292973540687539 ~1991
22129511442590238 ~1988
221310971327865839 ~1990
22131443442628878 ~1988
22131563442631278 ~1988
221316731327900399 ~1990
22131839442636798 ~1988
221319131327914799 ~1990
22132091442641838 ~1988
22132619442652398 ~1988
221326191770609539
22132931442658638 ~1988
221330871770646979 ~1990
22133183442663678 ~1988
221331912213319119 ~1990
221334792213347919 ~1990
221336271770690179 ~1990
22134011442680238 ~1988
22134839442696798 ~1988
Exponent Prime Factor Digits Year
22134851442697038 ~1988
221350513984309199 ~1991
22135103442702078 ~1988
221358771770870179 ~1990
221363411328180479 ~1990
221364078854562819 ~1992
22137371442747438 ~1988
221374571328247439 ~1990
22137779442755598 ~1988
22138283442765678 ~1988
22138559442771198 ~1988
221394735313473539 ~1991
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
Exponent Prime Factor Digits Year
221429771328578639 ~1990
22143311442866238 ~1988
221434971771479779 ~1990
22143743442874878 ~1988
22143899442877998 ~1988
221443611771548899 ~1990
221443931328663599 ~1990
22144511442890238 ~1988
22144631442892638 ~1988
22145099442901998 ~1988
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
Exponent Prime Factor Digits Year
22149251442985038 ~1988
221493971328963839 ~1990
22149503442990078 ~1988
22150811443016238 ~1988
22150883443017678 ~1988
221512571329075439 ~1990
22151411443028238 ~1988
22151819443036398 ~1988
22152239443044798 ~1988
221524373101341199 ~1990
22153283443065678 ~1988
221535433544566899 ~1991
221537233544595699 ~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
1541
GIMPS The Prime Pages FactorDb.com
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25-11-02