Home e-mail
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
21988511439770238 ~1988
219889193958005439 ~1991
21989171439783438 ~1988
219896571319379439 ~1989
219897775277546499 ~1991
21989879439797598 ~1988
21990179439803598 ~1988
21990491439809838 ~1988
21990791439815838 ~1988
219907911759263299
219908531319451199 ~1989
21990959439819198 ~1988
21991583439831678 ~1988
21991631439832638 ~1988
21991883439837678 ~1988
21991919439838398 ~1988
21992231439844638 ~1988
21992303439846078 ~1988
21992303123156896910
21993239439864798 ~1988
219934811319608879 ~1989
21994139439882798 ~1988
219946032199460319 ~1990
21995063439901278 ~1988
219951773079324799 ~1990
Exponent Prime Factor Digits Year
21995243439904878 ~1988
21995423439908478 ~1988
21995903439918078 ~1988
219959211759673699 ~1990
21996179439923598 ~1988
21996983439939678 ~1988
219970211319821279 ~1989
21997091439941838 ~1988
21997103439942078 ~1988
219976811319860879 ~1989
21997691439953838 ~1988
21998423439968478 ~1988
21999671439993438 ~1988
21999779439995598 ~1988
21999839439996798 ~1988
22000103440002078 ~1988
220003611760028899 ~1990
22000619440012398 ~1988
22000859440017198 ~1988
22001783440035678 ~1988
220022931320137599 ~1989
22002371440047438 ~1988
220023771320142639 ~1989
22002443440048878 ~1988
22004051440081038 ~1988
Exponent Prime Factor Digits Year
22004231440084638 ~1988
22004303145228399910 ~1992
22004459440089198 ~1988
22004903440098078 ~1988
220052411320314479 ~1989
22005311440106238 ~1988
220062411320374479 ~1989
22006511440130238 ~1988
22007123440142478 ~1988
220074376602231119 ~1991
22007603440152078 ~1988
22007963440159278 ~1988
22008179440163598 ~1988
220082691760661539 ~1990
22008383440167678 ~1988
22008443440168878 ~1988
220086611320519679 ~1989
220088171320529039 ~1989
220096135282307139 ~1991
22010519440210398 ~1988
220106413521702579 ~1991
220109211760873699 ~1990
22010951440219038 ~1988
22011371440227438 ~1988
220116731320700399 ~1989
Exponent Prime Factor Digits Year
220117491760939939 ~1990
22012031440240638 ~1988
22012751440255038 ~1988
220131494842892799 ~1991
22013423440268478 ~1988
22013819440276398 ~1988
22014623440292478 ~1988
22014871105671380910 ~1992
220151271761210179 ~1990
22016363440327278 ~1988
22016399440327998 ~1988
220166473522663539 ~1991
22016723440334478 ~1988
22016999440339998 ~1988
22017251440345038 ~1988
22017731440354638 ~1988
22017791440355838 ~1988
22017851440357038 ~1988
22018211440364238 ~1988
22018259440365198 ~1988
22018523440370478 ~1988
22018883440377678 ~1988
22019219440384398 ~1988
220193571761548579 ~1990
22019639440392798 ~1988
1496
GIMPS The Prime Pages FactorDb.com
Home
4.843.404 digits 		e-mail
25-06-08