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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.
Exp. Prime Factor Digits Year
8269619165392398 ~1985
82697111323153779 ~1987
8269763165395278 ~1985
8270033496201998 ~1986
82700391984809379 ~1988
8270201496212078 ~1986
8270477661638178 ~1986
82706711488720799 ~1987
8270711165414238 ~1985
8270881496252878 ~1986
82710491819630799 ~1988
8271407119108260910 ~1990
8271521496291278 ~1986
8271839165436798 ~1985
8271841496310478 ~1986
8272097661767778 ~1986
82720971158093599
8272177496330638 ~1986
8272403165448078 ~1985
82724831323597299 ~1987
8272681496360878 ~1986
8272763165455278 ~1985
8272787661822978 ~1986
82727872150924639
82728612481858319 ~1988
Exp. Prime Factor Digits Year
8273453496407198 ~1986
8273579165471598 ~1985
8273773496426398 ~1986
8273879165477598 ~1985
8274023165480478 ~1985
8274137661930978 ~1986
8274239165484798 ~1985
8274547112533839310 ~1989
8274559827455918 ~1987
8274677496480638 ~1986
8274901496494078 ~1986
8275037662002978 ~1986
82751331986031939 ~1988
82752133310085219 ~1988
8275343165506878 ~1985
8275381496522878 ~1986
8275391662031298 ~1986
8275439165508798 ~1985
82754391986105379
8275451165509038 ~1985
8275601496536078 ~1986
8276201662096098 ~1986
8276351165527038 ~1985
8276591165531838 ~1985
8276693496601598 ~1986
Exp. Prime Factor Digits Year
8276693185397923310
8276713496602798 ~1986
8276797496607838 ~1986
8277221662177698 ~1986
8277323165546478 ~1985
8277617496657038 ~1986
8277617662209378
8277653496659198 ~1986
82776971324431539 ~1987
82777074635515939 ~1989
8277719165554398 ~1985
8278013496680798 ~1986
8278037662242978 ~1986
8278073496684398 ~1986
8278097496685838 ~1986
8278297496697838 ~1986
8278301662264098 ~1986
8278559165571198 ~1985
8278619165572398 ~1985
82786811324588979 ~1987
8278799662303938 ~1986
8278943165578878 ~1985
8279023827902318 ~1987
8279423165588478 ~1985
8279549662363938 ~1986
Exp. Prime Factor Digits Year
8279651165593038 ~1985
8279699165593998 ~1985
8279729662378338 ~1986
8279963165599278 ~1985
8280263165605278 ~1985
8280491165609838 ~1985
8280761496845678 ~1986
8280791662463298 ~1986
8280911165618238 ~1985
8281313496878798 ~1986
8281379165627598 ~1985
8281571165631438 ~1985
8281579828157918 ~1987
8282003165640078 ~1985
8282063165641278 ~1985
8282129662570338 ~1986
8282159165643198 ~1985
82821891159506479 ~1987
8282291662583298 ~1986
82824111490833999 ~1987
82824531159543439 ~1987
8282633496957998 ~1986
8282759165655198 ~1985
8283001496980078 ~1986
8283257496995438 ~1986
922
GIMPS The Prime Pages FactorDb.com
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25-07-08