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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
504811911009623839 ~1991
504830391009660799 ~1991
504841911009683839 ~1991
504847431009694879 ~1991
504849711009699439 ~1991
50487611131267788710 ~1994
50488829151466487110 ~1994
504911213029467279 ~1992
504916213029497279 ~1992
504949573029697439 ~1992
504963111009926239 ~1991
504965337069514639 ~1993
504975414039803299 ~1993
504982911009965839 ~1991
504992031009984079 ~1991
505009791010019599 ~1991
505010573030063439 ~1992
505012191010024399 ~1991
505026711010053439 ~1991
505037511010075039 ~1991
505037631010075279 ~1991
505064991010129999 ~1991
505072791010145599 ~1991
505076511010153039 ~1991
505093733030562399 ~1992
Exponent Prime Factor Digits Year
505099191010198399 ~1991
505143013030858079 ~1992
505143079092575279 ~1994
505166514041332099 ~1993
505173591010347199 ~1991
505189311010378639 ~1991
505190991010381999 ~1991
505199511010399039 ~1991
505199991010399999 ~1991
505219279093946879 ~1994
505230591010461199 ~1991
505234674041877379 ~1993
505235631010471279 ~1991
505239474041915779 ~1993
505247115052471119 ~1993
505250874042006979 ~1993
505260894042087139 ~1993
505268511010537039 ~1991
505268871455174345711 ~1996
505269231010538479 ~1991
505298511010597039 ~1991
505303014042424099 ~1993
50530537121273288910 ~1994
505305591010611199 ~1991
505335231010670479 ~1991
Exponent Prime Factor Digits Year
505340514042724099 ~1993
505345791010691599 ~1991
50534881111176738310 ~1994
505351191010702399 ~1991
505358874042870979 ~1993
505373097075223279 ~1993
505373511010747039 ~1991
505373514042988099
505376391010752799 ~1991
505397991010795999 ~1991
505406213032437279 ~1992
505406694043253539 ~1993
505425114043400899 ~1993
505436511010873039 ~1991
505443591010887199 ~1991
505446711010893439 ~1991
505448631010897279 ~1991
505459911010919839 ~1991
50546201151638603110 ~1994
50546299242622235310 ~1995
505486911010973839 ~1991
505493991010987999 ~1991
505503591011007199 ~1991
505512533033075199 ~1992
505518831011037679 ~1991
Exponent Prime Factor Digits Year
505526999099485839 ~1994
505540191011080399 ~1991
505544991011089999 ~1991
505545711011091439 ~1991
505549191011098399 ~1991
505550031011100079 ~1991
505570973033425839 ~1992
505581591011163199 ~1991
505589391011178799 ~1991
505614318089828979 ~1993
505623591011247199 ~1991
505650195056501919 ~1993
50566223252831115110 ~1995
505665831011331679 ~1991
505677294045418339 ~1993
505680174045441379 ~1993
50568277121363864910 ~1994
505682991011365999 ~1991
505702638091242099 ~1993
505707591011415199 ~1991
505725231011450479 ~1991
505725413034352479 ~1992
505726311011452639 ~1991
505731231011462479 ~1991
505736933034421599 ~1992
2200
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26-01-11