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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
13806833828409998 ~1988
13807019276140398 ~1987
13807151276143038 ~1987
13807691276153838 ~1987
13807823276156478 ~1987
13807883276157678 ~1987
13807991276159838 ~1987
138087912485582399 ~1989
13809011276180238 ~1987
13809311276186238 ~1987
13809443276188878 ~1987
13809479276189598 ~1987
138096736352449599 ~1990
138097099942990499 ~1991
138101271104810179 ~1988
13810319276206398 ~1987
13810403276208078 ~1987
138104871104838979 ~1988
138106791104854339 ~1988
13811183276223678 ~1987
13811519276230398 ~1987
13811857828711438 ~1988
13812191276243838 ~1987
13812863276257278 ~1987
13813451276269038 ~1987
Exponent Prime Factor Digits Year
138137591381375919 ~1988
13813799276275998 ~1987
13813991276279838 ~1987
13814903276298078 ~1987
138149211105193699 ~1988
138150771105206179 ~1988
13815383276307678 ~1987
13815671276313438 ~1987
13815779276315598 ~1987
138160272486884879 ~1989
13816079276321598 ~1987
13816259276325198 ~1987
13816559276331198 ~1987
13816763276335278 ~1987
13816837829010238 ~1988
13816871276337438 ~1987
13816897829013838 ~1988
13816931276338638 ~1987
138172677737669539 ~1990
138174671381746719 ~1988
13817519276350398 ~1987
13818191243200161710 ~1992
13818323276366478 ~1987
13818383276367678 ~1987
13818577829114638 ~1988
Exponent Prime Factor Digits Year
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
138215232211443699 ~1989
13822217829333038 ~1988
13822439276448798 ~1987
13822463276449278 ~1987
138225111105800899 ~1988
13822619276452398 ~1987
13822631276452638 ~1987
13822859276457198 ~1987
138230112211681779 ~1989
Exponent Prime Factor Digits Year
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
138256971935597599 ~1989
13826003276520078 ~1987
13827119276542398 ~1987
13827491276549838 ~1987
13827637829658238 ~1988
13827743276554878 ~1987
138277433595213199
13828571276571438 ~1987
13828631276572638 ~1987
1196
GIMPS The Prime Pages FactorDb.com
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25-06-01