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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
31866119637322398 ~1990
31866371637327438 ~1990
31866599637331998 ~1990
31866671637333438 ~1990
31867079637341598 ~1990
318671537648116739 ~1992
31867499637349998 ~1990
31867631637352638 ~1990
31867763637355278 ~1990
318693011912158079 ~1991
31869671637393438 ~1990
31869791637395838 ~1990
31870103637402078 ~1990
318701692549613539 ~1991
318707571912245439 ~1991
31871351637427038 ~1990
31871519637430398 ~1990
31871771637435438 ~1990
318723531912341199 ~1991
31872359637447198 ~1990
31872719637454398 ~1990
318729411912376479 ~1991
318733211912399279 ~1991
31873463637469278 ~1990
31873619637472398 ~1990
Exponent Prime Factor Digits Year
31874399637487998 ~1990
31874663637493278 ~1990
31874891637497838 ~1990
31875143637502878 ~1990
31875479637509598 ~1990
31875743637514878 ~1990
31875923637518478 ~1990
31876583637531678 ~1990
318769731912618399 ~1991
31878659637573198 ~1990
318788171912729039 ~1991
318789073187890719 ~1991
31878923637578478 ~1990
31878971637579438 ~1990
31879979637599598 ~1990
31880743108394526310 ~1993
31880951637619038 ~1990
31881119637622398 ~1990
31881203637624078 ~1990
31882139637642798 ~1990
31882211637644238 ~1990
31882451637649038 ~1990
318828915101262579 ~1992
318835912550687299 ~1991
318838612550708899 ~1991
Exponent Prime Factor Digits Year
31884551637691038 ~1990
31884719637694398 ~1990
318850331913101999 ~1991
31885631637712638 ~1990
31885643637712878 ~1990
31885883637717678 ~1990
31886219637724398 ~1990
31886411637728238 ~1990
318865134464111839 ~1992
31887059637741198 ~1990
31887143637742878 ~1990
318875931913255599 ~1991
31888463637769278 ~1990
31888799637775998 ~1990
31888919637778398 ~1990
318904734464666239 ~1992
318905331913431999 ~1991
31890899637817998 ~1990
31891703637834078 ~1990
31892291637845838 ~1990
31892351637847038 ~1990
31892411637848238 ~1990
31892771637855438 ~1990
31893899637877998 ~1990
31894151637883038 ~1990
Exponent Prime Factor Digits Year
31894763637895278 ~1990
31895219637904398 ~1990
31895291637905838 ~1990
31896083637921678 ~1990
31896251637925038 ~1990
31896311637926238 ~1990
31896863637937278 ~1990
31897643637952878 ~1990
318977175103634739 ~1992
31897991637959838 ~1990
31898543637970878 ~1990
31898771637975438 ~1990
31899239637984798 ~1990
318993793189937919 ~1991
318994331913965999 ~1991
31899443637988878 ~1990
31899683637993678 ~1990
318998931913993599 ~1991
31900283638005678 ~1990
31900289229682080910 ~1993
31900679638013598 ~1990
31901063638021278 ~1990
319017472552139779 ~1991
319019233190192319 ~1991
31902179638043598 ~1990
1775
GIMPS The Prime Pages FactorDb.com
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25-04-13