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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
12654539253090798 ~1986
12654563253091278 ~1986
12654721759283278 ~1988
12654737759284238 ~1988
12654923253098478 ~1986
126550031265500319 ~1988
12655481759328878 ~1988
12656051253121038 ~1986
12656101759366078 ~1988
12656243253124878 ~1986
12656297759377838 ~1988
126565912278186399 ~1989
126566392278195039 ~1989
12657353759441198 ~1988
126575271012602179 ~1988
12657611253152238 ~1986
12657739364542883310 ~1992
12657791253155838 ~1986
12657803253156078 ~1986
12657863253157278 ~1986
12658357759501438 ~1988
12658631253172638 ~1986
12658837759530238 ~1988
12658861759531678 ~1988
12659219253184398 ~1986
Exponent Prime Factor Digits Year
12659723253194478 ~1986
12659771253195438 ~1986
12659963253199278 ~1986
12660721759643278 ~1988
12661021759661278 ~1988
12661633759697998 ~1988
126616992279105839 ~1989
126618192279127439 ~1989
12661877759712638 ~1988
126620571012964579 ~1988
12662651253253038 ~1986
12663023253260478 ~1986
12663191253263838 ~1986
12663241759794478 ~1988
12663251253265038 ~1986
126633596078412339 ~1990
126633891013071139 ~1988
12663743253274878 ~1986
12664319205161967910 ~1991
12664499253289998 ~1986
12664741759884478 ~1988
12664871253297438 ~1986
12664913759894798 ~1988
12665123253302478 ~1986
12665183253303678 ~1986
Exponent Prime Factor Digits Year
12665423253308478 ~1986
126654411013235299 ~1988
12665531253310638 ~1986
12665687184919030310 ~1991
12666299253325998 ~1986
12666413759984798 ~1988
12666539253330798 ~1986
12666701760002078 ~1988
12666851253337038 ~1986
12666911253338238 ~1986
12667019253340398 ~1986
12667153760029198 ~1988
12667223253344478 ~1986
12667331253346638 ~1986
12667559253351198 ~1986
12667777760066638 ~1988
12667841760070478 ~1988
12667883253357678 ~1986
12667943253358878 ~1986
12667997760079838 ~1988
12668039253360798 ~1986
12668483253369678 ~1986
126687311266873119 ~1988
12668819253376398 ~1986
12668891253377838 ~1986
Exponent Prime Factor Digits Year
12668951253379038 ~1986
126690791266907919 ~1988
12669263253385278 ~1986
12669383253387678 ~1986
12669851253397038 ~1986
12670061760203678 ~1988
12670139253402798 ~1986
12670319253406398 ~1986
126705471013643779 ~1988
126705473040931299
126709971773939599 ~1989
126710273041046499 ~1989
12671339253426798 ~1986
12671861760311678 ~1988
12671881760312878 ~1988
12672083253441678 ~1986
12672853760371198 ~1988
126729671267296719 ~1988
12673163253463278 ~1986
126736491013891939 ~1988
12673751253475038 ~1986
12673799253475998 ~1986
126738471013907779 ~1988
12674003253480078 ~1986
12674237760454238 ~1988
1208
GIMPS The Prime Pages FactorDb.com
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26-03-08