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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
12375017742501038 ~1988
12375059247501198 ~1986
12375263247505278 ~1986
12375401742524078 ~1988
123754991237549919 ~1988
12375661742539678 ~1988
12375743247514878 ~1986
12375971247519438 ~1986
12376043247520878 ~1986
12376079247521598 ~1986
123761033217786799 ~1989
123761832970283939 ~1989
12376211378712056710 ~1992
12376271247525438 ~1986
12376313742578798 ~1988
12376499247529998 ~1986
12376571990125698 ~1988
12376751247535038 ~1986
12377161742629678 ~1988
123781731732944239 ~1988
12378419247568398 ~1986
12378491247569838 ~1986
12378833742729998 ~1988
12378917990313378 ~1988
12379093742745598 ~1988
Exponent Prime Factor Digits Year
12379343247586878 ~1986
12379513742770798 ~1988
12380183247603678 ~1986
12380519247610398 ~1986
12380663247613278 ~1986
12380759247615198 ~1986
12380843247616878 ~1986
12380891247617838 ~1986
123809111980945779 ~1989
123810297676237999 ~1990
12381073742864398 ~1988
12382121742927278 ~1988
12382631247652638 ~1986
12382633742957998 ~1988
12382823247656478 ~1986
12383279247665598 ~1986
123835072229031279 ~1989
12383831247676638 ~1986
12384569990765538 ~1988
123845715944594099 ~1990
12384611247692238 ~1986
123846132724614879 ~1989
12384791247695838 ~1986
123848592972366179 ~1989
12385319247706398 ~1986
Exponent Prime Factor Digits Year
12385391247707838 ~1986
12385433743125998 ~1988
123854474211051999 ~1989
12385781990862498 ~1988
12385823247716478 ~1986
12385931247718638 ~1986
12386039247720798 ~1986
12386057743163438 ~1988
12386377743182638 ~1988
12386497743189838 ~1988
123866693716000719 ~1989
12386711247734238 ~1986
12386771247735438 ~1986
12386813743208798 ~1988
12387671247753438 ~1986
123877692725309199 ~1989
12388049991043938 ~1988
12388241743294478 ~1988
12388763247775278 ~1986
12388991247779838 ~1986
12389101743346078 ~1988
12389189991135138 ~1988
12389291247785838 ~1986
12389437743366238 ~1988
12389483247789678 ~1986
Exponent Prime Factor Digits Year
12389543247790878 ~1986
123896694708074239 ~1990
123897593964722899 ~1989
12389761743385678 ~1988
12389963247799278 ~1986
12390659247813198 ~1986
12390737743444238 ~1988
12390971247819438 ~1986
12391217743473038 ~1988
123913032973912739 ~1989
12391343247826878 ~1986
12391679247833598 ~1986
12391751247835038 ~1986
12391811247836238 ~1986
123918311982692979 ~1989
12392111247842238 ~1986
123921314956852419 ~1990
12392137743528238 ~1988
123922271982756339 ~1989
12392339247846798 ~1986
12392459247849198 ~1986
12392519247850398 ~1986
123926711239267119 ~1988
12392759991420738 ~1988
12392843247856878 ~1986
1197
GIMPS The Prime Pages FactorDb.com
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26-03-29