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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
149669831496698319 ~1989
14967229116744386310 ~1991
14967899299357998 ~1987
149682291197458339 ~1989
14968463299369278 ~1987
14969033898141998 ~1988
14969183299383678 ~1987
14969483299389678 ~1987
14970359299407198 ~1987
14970383299407678 ~1987
14970419110781100710 ~1991
149704971197639779 ~1989
14970577898234638 ~1988
14970731299414638 ~1987
14970797898247838 ~1988
14970899299417998 ~1987
14970937898256238 ~1988
14970941898256478 ~1988
14971139299422798 ~1987
14971283299425678 ~1987
149715293593166979 ~1990
14971559299431198 ~1987
149717211197737699 ~1989
14971741107796535310 ~1991
14972003299440078 ~1987
Exponent Prime Factor Digits Year
14972099299441998 ~1987
14972761176678579910 ~1991
14973611299472238 ~1987
14973697898421838 ~1988
14974559299491198 ~1987
14974931299498638 ~1987
14975039299500798 ~1987
149752396289600399 ~1990
14975423299508478 ~1987
149755491198043939 ~1989
14975711299514238 ~1987
14975797898547838 ~1988
149758991497589919 ~1989
14976733898603998 ~1988
14977103299542078 ~1987
14977223299544478 ~1987
14977283299545678 ~1987
149777414493322319 ~1990
149778771198230179 ~1989
14978291299565838 ~1987
14978423299568478 ~1987
14978597898715838 ~1988
14978617898717038 ~1988
14979059299581198 ~1987
149792471497924719 ~1989
Exponent Prime Factor Digits Year
14979253898755198 ~1988
14979311299586238 ~1987
149793594793394899 ~1990
14980033898801998 ~1988
14980139299602798 ~1987
14980271299605438 ~1987
149804393595305379 ~1990
14980499299609998 ~1987
14981111299622238 ~1987
14981231299624638 ~1987
14981423299628478 ~1987
149819571198556579 ~1989
149822112696797999 ~1989
14982263299645278 ~1987
14982293898937598 ~1988
14982481898948878 ~1988
14982503299650078 ~1987
149830631498306319 ~1989
14983379299667598 ~1987
14983601899016078 ~1988
149836071198688579 ~1989
14983931299678638 ~1987
149839311198714499
14984219299684398 ~1987
149842791198742339 ~1989
Exponent Prime Factor Digits Year
14984303299686078 ~1987
14984771299695438 ~1987
14984843182815084710 ~1991
14984999299699998 ~1987
14985017899101038 ~1988
14985023299700478 ~1987
14985323323682976910 ~1992
14986343299726878 ~1987
14986859299737198 ~1987
14986871299737438 ~1987
14987051299741038 ~1987
14987111299742238 ~1987
149872132098209839 ~1989
14987471299749438 ~1987
14987723299754478 ~1987
14987857899271438 ~1988
14987933899275998 ~1988
14988443299768878 ~1987
149887191199097539 ~1989
14988899299777998 ~1987
14989283299785678 ~1987
14989319299786398 ~1987
14989379299787598 ~1987
149894595096416079 ~1990
14989861899391678 ~1988
1280
GIMPS The Prime Pages FactorDb.com
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25-11-02