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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
12356237741374238 ~1988
12356411247128238 ~1986
12356423247128478 ~1986
12356633741397998 ~1988
12356761741405678 ~1988
123571671060244928711 ~1993
123572292718590399 ~1989
12357421741445278 ~1988
12357743247154878 ~1986
12357797333660519110 ~1992
12358163247163278 ~1986
12358441741506478 ~1988
12358631247172638 ~1986
12358741741524478 ~1988
12359003247180078 ~1986
12359461741567678 ~1988
12359531247190638 ~1986
12359701741582078 ~1988
12359783247195678 ~1986
123599333707979919 ~1989
12360563247211278 ~1986
12360911988872898 ~1988
12360977741658638 ~1988
12361201741672078 ~1988
12361463247229278 ~1986
Exponent Prime Factor Digits Year
12361847988947778 ~1988
12362099247241998 ~1986
12362123247242478 ~1986
12362159247243198 ~1986
123622212719688639 ~1989
123623477170161279 ~1990
12362783247255678 ~1986
12362879989030338 ~1988
12363361741801678 ~1988
12363371247267438 ~1986
12363551247271038 ~1986
123639431978230899 ~1989
12364181741850878 ~1988
12364837741890238 ~1988
123648795193249199 ~1990
12366041989283298 ~1988
123665038903882179 ~1990
12367163247343278 ~1986
123673212720810639 ~1989
12367643247352878 ~1986
12367919247358398 ~1986
12367991247359838 ~1986
12368207989456578 ~1988
12368393742103598 ~1988
12368459247369198 ~1986
Exponent Prime Factor Digits Year
12368651247373038 ~1986
12368831247376638 ~1986
123689471236894719 ~1988
12369179247383598 ~1986
12369443247388878 ~1986
123694511236945119 ~1988
12369839247396798 ~1986
123698595937532339 ~1990
12370031247400638 ~1986
12370079247401598 ~1986
123702192968852579 ~1989
123708012721576239 ~1989
123709913216457679 ~1989
12371039247420798 ~1986
12371351247427038 ~1986
12371423247428478 ~1986
12371519247430398 ~1986
123715212721734639 ~1989
12371543247430878 ~1986
12371741742304478 ~1988
12372383247447678 ~1986
12372977989838178 ~1988
12373583247471678 ~1986
12374123247482478 ~1986
12374231247484638 ~1986
Exponent Prime Factor Digits Year
12374477742468638 ~1988
12374723247494478 ~1986
12374981742498878 ~1988
12375059247501198 ~1986
12375263247505278 ~1986
12375743247514878 ~1986
12375971247519438 ~1986
12376043247520878 ~1986
12376079247521598 ~1986
123761033217786799 ~1989
123761832970283939 ~1989
12376211378712056710 ~1992
12376271247525438 ~1986
12376313742578798 ~1988
12376499247529998 ~1986
12376571990125698 ~1988
12376751247535038 ~1986
123781731732944239 ~1988
12378419247568398 ~1986
12378491247569838 ~1986
12378917990313378 ~1988
12379343247586878 ~1986
12380183247603678 ~1986
12380519247610398 ~1986
12380663247613278 ~1986
1124
GIMPS The Prime Pages FactorDb.com
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25-04-13