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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
13816897829013838 ~1988
13816931276338638 ~1987
138172677737669539 ~1990
138174671381746719 ~1988
13817519276350398 ~1987
13818191243200161710 ~1992
13818323276366478 ~1987
13818383276367678 ~1987
13818577829114638 ~1988
138186171934606399 ~1989
138190971105527779 ~1988
138191111381911119 ~1988
13819199276383998 ~1987
13819271276385438 ~1987
13819523276390478 ~1987
138196933316726339 ~1989
13819919276398398 ~1987
138204531934863439 ~1989
13820459276409198 ~1987
13820483276409678 ~1987
13820531276410638 ~1987
13820819276416398 ~1987
13820903276418078 ~1987
138211671105693379 ~1988
13821383276427678 ~1987
Exponent Prime Factor Digits Year
138215232211443699 ~1989
13822217829333038 ~1988
13822439276448798 ~1987
13822463276449278 ~1987
138225111105800899 ~1988
13822619276452398 ~1987
13822631276452638 ~1987
13822859276457198 ~1987
138230112211681779 ~1989
138230591382305919 ~1988
13823197829391838 ~1988
138232312488181599 ~1989
13823591276471838 ~1987
138238279123725839 ~1990
13823951276479038 ~1987
13824059276481198 ~1987
138244632211914099 ~1989
13824683276493678 ~1987
13824719276494398 ~1987
13824743276494878 ~1987
13824911276498238 ~1987
138250437742024099 ~1990
13825391276507838 ~1987
13825463276509278 ~1987
13825681829540878 ~1988
Exponent Prime Factor Digits Year
138256971935597599 ~1989
13826003276520078 ~1987
13827119276542398 ~1987
13827491276549838 ~1987
13827637829658238 ~1988
13827743276554878 ~1987
138277433595213199
13828571276571438 ~1987
13828631276572638 ~1987
13828799276575998 ~1987
13828823276576478 ~1987
13829351276587038 ~1987
13829357829761438 ~1988
13829591276591838 ~1987
13829603276592078 ~1987
13829741829784478 ~1988
13830059276601198 ~1987
13830203276604078 ~1987
13830239224049871910 ~1991
13830457829827438 ~1988
138305811106446499 ~1988
13830623276612478 ~1987
13830863276617278 ~1987
138312534149375919 ~1990
13831501829890078 ~1988
Exponent Prime Factor Digits Year
13831619276632398 ~1987
13831703276634078 ~1987
138320691936489679 ~1989
138327591106620739 ~1988
13832771276655438 ~1987
13832999276659998 ~1987
13833119276662398 ~1987
13833857830031438 ~1988
13834823276696478 ~1987
13835051276701038 ~1987
138354737471155439 ~1990
138371391106971139 ~1988
138380214151406319 ~1990
138381612214105779 ~1989
13838483276769678 ~1987
13838543276770878 ~1987
13839251276785038 ~1987
138393471107147779 ~1988
13839359276787198 ~1987
13839383276787678 ~1987
138394391383943919 ~1988
13839577830374638 ~1988
13839599276791998 ~1987
13839971276799438 ~1987
13840061830403678 ~1988
1190
GIMPS The Prime Pages FactorDb.com
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25-05-04