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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
25160423503208478 ~1989
25160819503216398 ~1989
251613472012907779 ~1990
25161611503232238 ~1989
25161743503234878 ~1989
25162199503243998 ~1989
25162271503245438 ~1989
251622712012981699
25162523503250478 ~1989
25163639503272798 ~1989
25163783503275678 ~1989
25164719503294398 ~1989
25164803503296078 ~1989
25165379503307598 ~1989
25165799503315998 ~1989
25166363503327278 ~1989
25166639503332798 ~1989
25166759503335198 ~1989
25166903503338078 ~1989
25167503503350078 ~1989
25167683503353678 ~1989
25168271503365438 ~1989
25168439503368798 ~1989
25168499503369998 ~1989
25168859503377198 ~1989
Exponent Prime Factor Digits Year
251690572013524579 ~1990
25169603503392078 ~1989
251700371510202239 ~1990
25170479503409598 ~1989
25170683503413678 ~1989
25170883266811359910 ~1993
25170923503418478 ~1989
25171031503420638 ~1989
25171319503426398 ~1989
25171439503428798 ~1989
25171511503430238 ~1989
25171631503432638 ~1989
25172123503442478 ~1989
25173371503467438 ~1989
251737211510423279 ~1990
25173839503476798 ~1989
25174223503484478 ~1989
25175063503501278 ~1989
251751912517519119 ~1990
25175303503506078 ~1989
251756592517565919 ~1990
251757014028112179 ~1991
25176071503521438 ~1989
25176143503522878 ~1989
25176251503525038 ~1989
Exponent Prime Factor Digits Year
25176323503526478 ~1989
25177151503543038 ~1989
25177931503558638 ~1989
251781171510687039 ~1990
25178519503570398 ~1989
25179179503583598 ~1989
25179971503599438 ~1989
25180679503613598 ~1989
25180751503615038 ~1989
25181291503625838 ~1989
25181363503627278 ~1989
25182383503647678 ~1989
25182611503652238 ~1989
251827676547519439 ~1992
25182851503657038 ~1989
251832411510994479 ~1990
25184039503680798 ~1989
25184279503685598 ~1989
25184723503694478 ~1989
25184759503695198 ~1989
251848514029576179 ~1991
25185119503702398 ~1989
25185179125925895110 ~1992
251855093525971279 ~1991
25186211503724238 ~1989
Exponent Prime Factor Digits Year
25186823503736478 ~1989
25187003503740078 ~1989
25187171503743438 ~1989
25187303503746078 ~1989
25187339503746798 ~1989
25188539503770798 ~1989
25189691503793838 ~1989
25190003503800078 ~1989
251901892015215139 ~1990
251907011511442079 ~1990
25190723503814478 ~1989
25190771503815438 ~1989
25190843503816878 ~1989
25191503503830078 ~1989
25191863503837278 ~1989
25192031503840638 ~1989
251922412015379299 ~1990
25192571503851438 ~1989
25193939503878798 ~1989
251942171511653039 ~1990
251943072519430719 ~1990
25194419503888398 ~1989
25195211503904238 ~1989
25195559503911198 ~1989
25195799503915998 ~1989
1596
GIMPS The Prime Pages FactorDb.com
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25-06-08