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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
8906357712508578 ~1987
89064071425025139 ~1987
8906501712520098 ~1987
8906561534393678 ~1986
8906593534395598 ~1986
8906939178138798 ~1985
8906969712557538 ~1987
8907077534424638 ~1986
89071616413155939 ~1989
8907377712590178 ~1987
8907539178150798 ~1985
8907539712603138
8907671712613698 ~1987
89077191603389439 ~1988
8907733534463998 ~1986
8907841534470478 ~1986
89079114988430179 ~1989
8908183890818318 ~1987
8908271178165438 ~1985
8908373534502398 ~1986
8908477534508638 ~1986
8908589333181228710 ~1991
8908673534520398 ~1986
8908703178174078 ~1985
8908721534523278 ~1986
Exp. Prime Factor Digits Year
8908937534536238 ~1986
89089432138146339 ~1988
89089878552627539 ~1989
8909237712738978 ~1987
8909321712745698 ~1987
8909903178198078 ~1985
8909941534596478 ~1986
8910101712808098 ~1987
8910179178203598 ~1985
8910179755583179310
89101993742283599 ~1989
89102711425643379 ~1987
8910481534628878 ~1986
8910719178214398 ~1985
8911379178227598 ~1985
8911453534687198 ~1986
8911607712928578 ~1987
8911631178232638 ~1985
8911781534706878 ~1986
8911997534719838 ~1986
8912053534723198 ~1986
8912207712976578 ~1987
8912219178244398 ~1985
8912279178245598 ~1985
8912399178247998 ~1985
Exp. Prime Factor Digits Year
89124891247748479 ~1987
8912537713002978 ~1987
8912591178251838 ~1985
8912741534764478 ~1986
8912999178259998 ~1985
8913119178262398 ~1985
8913161534789678 ~1986
8913187891318718 ~1987
89131871377978710311
8913347713067778 ~1987
89134031426144499 ~1987
8913521713081698 ~1987
8913539178270798 ~1985
8913563178271278 ~1985
8913791178275838 ~1985
8913791713103298
8913901534834078 ~1986
8913917534835038 ~1986
8913923178278478 ~1985
8914319178286398 ~1985
8914331178286638 ~1985
8914583178291678 ~1985
8914799178295998 ~1985
8914847713187778 ~1987
8915177534910638 ~1986
Exp. Prime Factor Digits Year
8915213534912798 ~1986
8915411178308238 ~1985
8915591178311838 ~1985
8915597713247778 ~1987
8915999178319998 ~1985
8916569713325538 ~1987
8916641534998478 ~1986
8916779178335598 ~1985
8916779713342338
8916839178336798 ~1985
8916911713352898 ~1987
8916923178338478 ~1985
8917679178353598 ~1985
8917691178353838 ~1985
8917697535061838 ~1986
8917763178355278 ~1985
8917841713427298 ~1987
8917871178357438 ~1985
8917949713435938 ~1987
8917963891796318 ~1987
8917991713439298 ~1987
8918407891840718 ~1987
8918639178372798 ~1985
8918891178377838 ~1985
89188912318911679
979
GIMPS The Prime Pages FactorDb.com
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25-11-02