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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
12369839247396798 ~1986
123698595937532339 ~1990
12370031247400638 ~1986
12370079247401598 ~1986
123702192968852579 ~1989
12370649989651938 ~1988
12370777742246638 ~1988
123708012721576239 ~1989
123709913216457679 ~1989
12371039247420798 ~1986
12371351247427038 ~1986
12371423247428478 ~1986
12371519247430398 ~1986
123715212721734639 ~1989
12371543247430878 ~1986
12371657742299438 ~1988
12371741742304478 ~1988
12372001742320078 ~1988
12372383247447678 ~1986
12372977989838178 ~1988
12373583247471678 ~1986
12374123247482478 ~1986
12374231247484638 ~1986
12374233742453998 ~1988
12374477742468638 ~1988
Exponent Prime Factor Digits Year
12374723247494478 ~1986
12374981742498878 ~1988
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
Exponent Prime Factor Digits Year
12378917990313378 ~1988
12379093742745598 ~1988
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
Exponent Prime Factor Digits Year
123848592972366179 ~1989
12385319247706398 ~1986
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
1193
GIMPS The Prime Pages FactorDb.com
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26-03-08