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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
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
27661631553232638 ~1989
Exponent Prime Factor Digits Year
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
27669431553388638 ~1989
Exponent Prime Factor Digits Year
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
27679103553582078 ~1989
Exponent Prime Factor Digits Year
276791531660749199 ~1990
27679199553583998 ~1989
27679579426265516710 ~1994
27680111553602238 ~1989
27680459553609198 ~1989
27680903553618078 ~1989
27681743553634878 ~1989
27682079553641598 ~1989
27682463553649278 ~1989
276825134429202099 ~1991
27682751553655038 ~1989
27683483553669678 ~1989
27683723553674478 ~1989
276838012214704099 ~1991
27684119553682398 ~1989
27684659553693198 ~1989
27684791553695838 ~1989
27684971553699438 ~1989
27685499553709998 ~1989
27685523553710478 ~1989
27685799553715998 ~1989
27686339553726798 ~1989
27686699553733998 ~1989
27686759553735198 ~1989
27687923553758478 ~1989
1660
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25-05-04