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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
13191097791465838 ~1988
13191323263826478 ~1987
13191599263831998 ~1987
13191821791509278 ~1988
13191901791514078 ~1988
13192217791533038 ~1988
13192463263849278 ~1987
13192841791570478 ~1988
131931238707461199 ~1990
13193437791606238 ~1988
13193483263869678 ~1987
131936111319361119 ~1988
13193783263875678 ~1987
131939511055516099 ~1988
13193953791637198 ~1988
13194011263880238 ~1987
131942872374971679 ~1989
13194353791661198 ~1988
13194373791662398 ~1988
13194563263891278 ~1987
13194673791680398 ~1988
13194793791687598 ~1988
131949593166790179 ~1989
13195163263903278 ~1987
131951871055614979 ~1988
Exponent Prime Factor Digits Year
13195211263904238 ~1987
13195333791719998 ~1988
13195381791722878 ~1988
131958372111333939 ~1989
13196159263923198 ~1987
131965639501525379 ~1990
13196999263939998 ~1987
13197161791829678 ~1988
13197473791848398 ~1988
13197637791858238 ~1988
13197683263953678 ~1987
13197731263954638 ~1987
13197881791872878 ~1988
13197923263958478 ~1987
13198019263960398 ~1987
13198259263965198 ~1987
13198373791902398 ~1988
13198439263968798 ~1987
131984591319845919 ~1988
131986971055895779 ~1988
13199051263981038 ~1987
13199099263981998 ~1987
13199183263983678 ~1987
13200179264003598 ~1987
13200221792013278 ~1988
Exponent Prime Factor Digits Year
13200251264005038 ~1987
13200779264015598 ~1987
13201403264028078 ~1987
13201763264035278 ~1987
13201841792110478 ~1988
13201943264038878 ~1987
132019991320199919 ~1988
13202639264052798 ~1987
13202831264056638 ~1987
132029772112476339 ~1989
13203017792181038 ~1988
13203083264061678 ~1987
13203251264065038 ~1987
13203563264071278 ~1987
132036531848511439 ~1989
13203719264074398 ~1987
132038333961149919 ~1990
132038594489312079 ~1990
13203913792234798 ~1988
13204043264080878 ~1987
13204283264085678 ~1987
132047872376861679 ~1989
13205603264112078 ~1987
13205723264114478 ~1987
13206353792381198 ~1988
Exponent Prime Factor Digits Year
13206419264128398 ~1987
13206493792389598 ~1988
13206971264139438 ~1987
13207277792436638 ~1988
132077211056617699 ~1988
132077394226476499 ~1990
13207979264159598 ~1987
132082191056657539 ~1988
13208291752872587110 ~1993
13208399264167998 ~1987
13208557792513438 ~1988
13208621792517278 ~1988
132094097133080879 ~1990
13209593792575598 ~1988
13209641792578478 ~1988
13209737792584238 ~1988
13209743264194878 ~1987
132098211056785699 ~1988
132098711320987119 ~1988
132099916340795699 ~1990
13210163264203278 ~1987
13210583264211678 ~1987
13210633792637998 ~1988
132108175020110479 ~1990
132113115548750639 ~1990
1260
GIMPS The Prime Pages FactorDb.com
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26-08-02