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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
767998139153599627910 ~2000
7680469691843312725711 ~2003
768077543153615508710 ~2000
768093191153618638310 ~2000
768130523153626104710 ~2000
768132383153626476710 ~2000
768149351153629870310 ~2000
768164693460898815910 ~2002
768182099153636419910 ~2000
768214151153642830310 ~2000
768243241460945944710 ~2002
768258311153651662310 ~2000
768260443768260443110 ~2002
768262981460957788710 ~2002
768283811153656762310 ~2000
768309863153661972710 ~2000
768333719153666743910 ~2000
768338699153667739910 ~2000
768340271153668054310 ~2000
7683737031844096887311 ~2003
768407603153681520710 ~2000
768420311153684062310 ~2000
768463931153692786310 ~2000
768512663153702532710 ~2000
7685166072612956463911 ~2003
Exponent Prime Factor Digits Year
768533819153706763910 ~2000
768534251153706850310 ~2000
768535499153707099910 ~2000
768574837461144902310 ~2002
768609311153721862310 ~2000
768615779614892623310 ~2002
768618731153723746310 ~2000
7686409871383553776711 ~2003
768644777614915821710 ~2002
768648817461189290310 ~2002
768655619153731123910 ~2000
768664619153732923910 ~2000
768667079153733415910 ~2000
768668711153733742310 ~2000
768683711153736742310 ~2000
768726821461236092710 ~2002
768731531153746306310 ~2000
768750623153750124710 ~2000
768790871153758174310 ~2000
768818431768818431110 ~2002
768820523153764104710 ~2000
768820583153764116710 ~2000
768834953461300971910 ~2002
768879899153775979910 ~2000
768929543153785908710 ~2000
Exponent Prime Factor Digits Year
768976619153795323910 ~2000
768980951153796190310 ~2000
769012259153802451910 ~2000
769058219153811643910 ~2000
769066583153813316710 ~2000
7690666911384320043911 ~2003
769086011153817202310 ~2000
769087391153817478310 ~2000
7691001771076740247911 ~2002
769100831153820166310 ~2000
769115159153823031910 ~2000
7691389134307177912911 ~2004
769147811153829562310 ~2000
769155503153831100710 ~2000
769175063153835012710 ~2000
769176731153835346310 ~2000
769191971153838394310 ~2000
769197059153839411910 ~2000
769200359153840071910 ~2000
7692010992615283736711 ~2003
769233937461540362310 ~2002
769238053461542831910 ~2002
769266863153853372710 ~2000
7692780171076989223911 ~2002
769305143153861028710 ~2000
Exponent Prime Factor Digits Year
769334759153866951910 ~2000
769366043153873208710 ~2000
769383623153876724710 ~2000
769446599153889319910 ~2000
769451411153890282310 ~2000
769467983153893596710 ~2000
769514437461708662310 ~2002
769516199153903239910 ~2000
769541603153908320710 ~2000
7695603313232153390311 ~2004
769578923153915784710 ~2000
769618691153923738310 ~2000
7696666731847200015311 ~2003
769715567615772453710 ~2002
769731421461838852710 ~2002
7697421794926349945711 ~2004
769761851153952370310 ~2000
769809077461885446310 ~2002
769846991153969398310 ~2000
769847381615877904910 ~2002
769857443153971488710 ~2000
769863491153972698310 ~2000
769865879153973175910 ~2000
769879001461927400710 ~2002
769930643153986128710 ~2000
3708
GIMPS The Prime Pages FactorDb.com
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26-02-08