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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
8260073495604398 ~1986
8260457495627438 ~1986
82608071321729139 ~1987
8260883165217678 ~1985
8260919165218398 ~1985
8260919660873538
82612434130621519 ~1988
8261339165226798 ~1985
82613591487044639 ~1987
8261501660920098 ~1986
8261621660929698 ~1986
8261843165236878 ~1985
8261857495711438 ~1986
8261999165239998 ~1985
8262179165243598 ~1985
8262179660974338
8262193495731598 ~1986
8262227660978178 ~1986
8262343178466608910 ~1990
8262431165248638 ~1985
8262481495748878 ~1986
8262757495765438 ~1986
82628111487305999 ~1987
82628411322054579 ~1987
8262937495776238 ~1986
Exp. Prime Factor Digits Year
8263183826318318 ~1987
8263379165267598 ~1985
8263441495806478 ~1986
8263511165270238 ~1985
8263523165270478 ~1985
8263571165271438 ~1985
8263823165276478 ~1985
82643873966905779 ~1988
8264783165295678 ~1985
8265121495907278 ~1986
8265311165306238 ~1985
8265407661232578 ~1986
8265431165308638 ~1985
8265539165310798 ~1985
8265821661265698 ~1986
8265833495949998 ~1986
8265919826591918 ~1987
82659731322555699 ~1987
8265979826597918 ~1987
82661291818548399 ~1988
82663731157292239 ~1987
8266513495990798 ~1986
8266931165338638 ~1985
8267339661387138 ~1986
8267351165347038 ~1985
Exp. Prime Factor Digits Year
8267951165359038 ~1985
8268241496094478 ~1986
8268497496109838 ~1986
8268803165376078 ~1985
82688931157645039 ~1987
8268899661511938 ~1986
8268913496134798 ~1986
8269013496140798 ~1986
8269043165380878 ~1985
8269439661555138 ~1986
8269511661560898 ~1986
8269559165391198 ~1985
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
Exp. Prime Factor Digits Year
8271839165436798 ~1985
8271841496310478 ~1986
8272097661767778 ~1986
82720971158093599
8272177496330638 ~1986
8272403165448078 ~1985
82724831323597299 ~1987
8272681496360878 ~1986
8272763165455278 ~1985
8272787661822978 ~1986
82727872150924639
82728612481858319 ~1988
8273453496407198 ~1986
8273579165471598 ~1985
8273773496426398 ~1986
8273879165477598 ~1985
8274023165480478 ~1985
8274137661930978 ~1986
8274239165484798 ~1985
8274547112533839310 ~1990
8274559827455918 ~1987
8274677496480638 ~1986
8274901496494078 ~1986
8275037662002978 ~1986
82751331986031939 ~1988
941
GIMPS The Prime Pages FactorDb.com
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25-12-14