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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
13846139276922798 ~1987
13846331276926638 ~1987
138464231384642319 ~1988
13846571276931438 ~1987
138465771107726179 ~1988
138466272215460339 ~1989
13846799276935998 ~1987
138467991107743939
138468737477311439 ~1990
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
Exponent Prime Factor Digits Year
138505191108041539 ~1988
13850723277014478 ~1987
13851119277022398 ~1987
13851161831069678 ~1988
138512876648617779 ~1990
13851553831093198 ~1988
13851599277031998 ~1987
138518533047407679 ~1989
138526094155782719 ~1990
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
Exponent Prime Factor Digits Year
138558191385581919 ~1988
13855931277118638 ~1987
13856231277124638 ~1987
138563691108509539 ~1988
138565391385653919 ~1988
138568312494229599 ~1989
13857089110856712110 ~1991
13857719277154398 ~1987
13858499277169998 ~1987
13858583277171678 ~1987
13858919277178398 ~1987
13859171277183438 ~1987
138591711108733699
13859243277184878 ~1987
138595072494711279 ~1989
13859591277191838 ~1987
13859771277195438 ~1987
13860299277205998 ~1987
13860923277218478 ~1987
13861181831670878 ~1988
13861499277229998 ~1987
13861693831701598 ~1988
13861703277234078 ~1987
13861943277238878 ~1987
13862063169117168710 ~1991
Exponent Prime Factor Digits Year
13862279277245598 ~1987
13862281831736878 ~1988
13862417831745038 ~1988
13862483277249678 ~1987
13862819277256398 ~1987
138629772218076339 ~1989
138632511109060099 ~1988
13863611277272238 ~1987
13863623277272478 ~1987
13864583277291678 ~1987
13865051277301038 ~1987
13865063277301278 ~1987
13865363277307278 ~1987
138655812218492979 ~1989
13865783277315678 ~1987
13866137831968238 ~1988
138664391386643919 ~1988
13866623277332478 ~1987
13866659277333198 ~1987
13866913832014798 ~1988
138669678042840879 ~1990
13867097832025838 ~1988
13867439277348798 ~1987
13867523277350478 ~1987
13867697832061838 ~1988
1206
GIMPS The Prime Pages FactorDb.com
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25-07-08