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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
19239179384783598 ~1988
19239443384788878 ~1988
192398811154392879 ~1989
19240043384800878 ~1988
192402297311287039 ~1991
19240619384812398 ~1988
19241039384820798 ~1988
192414411154486479 ~1989
19242323384846478 ~1988
19242539384850798 ~1988
19242959384859198 ~1988
19243331384866638 ~1988
192439331154635999 ~1989
19243957230927484110 ~1992
19244171384883438 ~1988
19244471384889438 ~1988
19244639384892798 ~1988
19244759384895198 ~1988
19244999384899998 ~1988
19245563384911278 ~1988
19245599384911998 ~1988
19246379384927598 ~1988
192465111539720899 ~1989
19247411384948238 ~1988
192475492694656879 ~1990
Exponent Prime Factor Digits Year
19247831384956638 ~1988
19247843384956878 ~1988
19248059384961198 ~1988
19248191384963838 ~1988
19248959384979198 ~1988
192494091539952739 ~1989
19250051385001038 ~1988
19250219385004398 ~1988
19250351385007038 ~1988
19250639385012798 ~1988
19250831385016638 ~1988
192513011155078079 ~1989
192519791925197919 ~1990
19252283385045678 ~1988
192524211155145279 ~1989
192526037701041219 ~1991
192528731155172399 ~1989
19252979385059598 ~1988
19253243385064878 ~1988
19253471385069438 ~1988
19253483385069678 ~1988
192537131155222799 ~1989
192537979241822579 ~1991
19253891385077838 ~1988
19254083385081678 ~1988
Exponent Prime Factor Digits Year
19254299385085998 ~1988
19254479385089598 ~1988
19254899385097998 ~1988
192553075006379839 ~1991
19255763385115278 ~1988
19255919385118398 ~1988
192560996161951699 ~1991
19256339385126798 ~1988
19256411385128238 ~1988
19256459385129198 ~1988
192572692696017679 ~1990
19257299385145998 ~1988
192574571155447439 ~1989
19257599385151998 ~1988
19257671385153438 ~1988
19258163385163278 ~1988
19258439385168798 ~1988
19258511385170238 ~1988
19258763385175278 ~1988
19259171385183438 ~1988
19259231385184638 ~1988
19259543385190878 ~1988
19259651385193038 ~1988
19259951385199038 ~1988
19260023385200478 ~1988
Exponent Prime Factor Digits Year
19260071385201438 ~1988
19260203385204078 ~1988
19260551385211038 ~1988
192608231926082319 ~1990
19260971385219438 ~1988
19262783385255678 ~1988
19263239385264798 ~1988
19263479385269598 ~1988
19263599385271998 ~1988
192637931155827599 ~1989
192638411155830479 ~1989
19263971385279438 ~1988
192640731155844399 ~1989
19264523385290478 ~1988
19264631385292638 ~1988
192656331155937999 ~1989
192666011155996079 ~1989
19267403385348078 ~1988
192674474624187299 ~1991
192674871541398979 ~1989
19267883385357678 ~1988
19268303385366078 ~1988
19268363385367278 ~1988
19269179385383598 ~1988
19269539385390798 ~1988
1387
GIMPS The Prime Pages FactorDb.com
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25-04-13