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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
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
13840451276809038 ~1987
13840613830436798 ~1988
13840919276818398 ~1987
13840943276818878 ~1987
13841039276820798 ~1987
13841099276821998 ~1987
13841123276822478 ~1987
13841183276823678 ~1987
13841363276827278 ~1987
13841651276833038 ~1987
13841819276836398 ~1987
13841879276837598 ~1987
Exponent Prime Factor Digits Year
13841939276838798 ~1987
13842359276847198 ~1987
13842397830543838 ~1988
138425592491660639 ~1989
13843103276862078 ~1987
13843139276862798 ~1987
13843223276864478 ~1987
138432833599253599 ~1989
13843451276869038 ~1987
138435071384350719 ~1988
13843997830639838 ~1988
13844003276880078 ~1987
13844639276892798 ~1987
13845121830707278 ~1988
13845431276908638 ~1987
13845757830745438 ~1988
13846139276922798 ~1987
13846331276926638 ~1987
138464231384642319 ~1988
13846571276931438 ~1987
138465771107726179 ~1988
138466272215460339 ~1989
13846799276935998 ~1987
138467991107743939
138468737477311439 ~1990
Exponent Prime Factor Digits Year
13847279276945598 ~1987
13847303276946078 ~1987
13847651276953038 ~1987
13848071276961438 ~1987
13848533110788264110 ~1991
13848671276973438 ~1987
13848743276974878 ~1987
13848911276978238 ~1987
13849681307462918310 ~1992
13849739276994798 ~1987
13849853830991198 ~1988
138499091152312428911 ~1993
13849931276998638 ~1987
13850051277001038 ~1987
13850351277007038 ~1987
13850423277008478 ~1987
138505191108041539 ~1988
13850723277014478 ~1987
13851119277022398 ~1987
13851161831069678 ~1988
138512876648617779 ~1990
13851553831093198 ~1988
13851599277031998 ~1987
138518533047407679 ~1989
138526094155782719 ~1990
Exponent Prime Factor Digits Year
13852757831165438 ~1988
13852859277057198 ~1987
13852901831174078 ~1988
13853243277064878 ~1987
138536811108294499 ~1988
13853711277074238 ~1987
138540111108320899 ~1988
13854563277091278 ~1987
13854601831276078 ~1988
13854623277092478 ~1987
13854733831283998 ~1988
138548293048062399 ~1989
13854959277099198 ~1987
13855139277102798 ~1987
138552114433667539 ~1990
138557591385575919 ~1988
138558191385581919 ~1988
13855931277118638 ~1987
13856231277124638 ~1987
138563691108509539 ~1988
138565391385653919 ~1988
138568312494229599 ~1989
13857089110856712110 ~1991
13857719277154398 ~1987
13858499277169998 ~1987
1186
GIMPS The Prime Pages FactorDb.com
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25-04-13