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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
27647003552940078 ~1989
27647183552943678 ~1989
276480772211846179 ~1991
276481931658891599 ~1990
27648623552972478 ~1989
276490731658944399 ~1990
276492772211942179 ~1991
27649283552985678 ~1989
27649343552986878 ~1989
27649679552993598 ~1989
27650159553003198 ~1989
276507712212061699 ~1991
27651059553021198 ~1989
27651119553022398 ~1989
276517131659102799 ~1990
27651803553036078 ~1989
27651863553037278 ~1989
27652151553043038 ~1989
27652643553052878 ~1989
276526996636647779 ~1992
27652991553059838 ~1989
276534531659207199 ~1990
27653771553075438 ~1989
27653819553076398 ~1989
27654083553081678 ~1989
Exponent Prime Factor Digits Year
276541274424660339 ~1991
27654239553084798 ~1989
27654311553086238 ~1989
276547072212376579 ~1991
276548331659289999 ~1990
27655091553101838 ~1989
27655619553112398 ~1989
27655703553114078 ~1989
276558914424942579 ~1991
27656003553120078 ~1989
27657671553153438 ~1989
27657857105099856710 ~1992
276581531659489199 ~1990
276584036638016739 ~1992
27658451553169038 ~1989
27658679553173598 ~1989
27658703553174078 ~1989
276587474425399539 ~1991
27658931553178638 ~1989
27658979553179598 ~1989
27659039553180798 ~1989
27659783553195678 ~1989
27660131553202638 ~1989
27660491553209838 ~1989
276613437191949199 ~1992
Exponent Prime Factor Digits Year
27661631553232638 ~1989
276618611659711679 ~1990
27662039553240798 ~1989
27662171553243438 ~1989
27662279553245598 ~1989
27662711553254238 ~1989
276629092213032739 ~1991
27663011553260238 ~1989
27663263553265278 ~1989
27663719553274398 ~1989
27663803553276078 ~1989
27664139553282798 ~1989
276649512766495119 ~1991
27664991553299838 ~1989
27665063553301278 ~1989
27665219553304398 ~1989
27665831553316638 ~1989
27666239553324798 ~1989
27666311553326238 ~1989
27666563553331278 ~1989
276675131660050799 ~1990
27667751553355038 ~1989
27667859553357198 ~1989
27668831553376638 ~1989
27669179553383598 ~1989
Exponent Prime Factor Digits Year
27669431553388638 ~1989
27669923553398478 ~1989
276704712767047119 ~1991
27671279553425598 ~1989
27671711553434238 ~1989
276721912213775299 ~1991
27672371553447438 ~1989
27672383553447678 ~1989
27672959553459198 ~1989
276741072767410719 ~1991
276742811660456879 ~1990
27674891553497838 ~1989
27675239553504798 ~1989
27675299553505998 ~1989
27675383553507678 ~1989
27675491553509838 ~1989
27675731553514638 ~1989
27675899553517998 ~1989
27676139553522798 ~1989
276768072767680719 ~1991
27677399553547998 ~1989
276776411660658479 ~1990
276783112214264899 ~1991
27678503553570078 ~1989
27678851553577038 ~1989
1710
GIMPS The Prime Pages FactorDb.com
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25-10-20