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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
27279503545590078 ~1989
272797317092730079 ~1992
272797372182378979 ~1991
27279743545594878 ~1989
27280091545601838 ~1989
27281003545620078 ~1989
27281383943935851910 ~1995
272821973819507599 ~1991
27282323545646478 ~1989
27283799545675998 ~1989
27284363545687278 ~1989
272845611637073679 ~1990
27284723545694478 ~1989
27284753169165468710 ~1993
27285743545714878 ~1989
27286019545720398 ~1989
27287003545740078 ~1989
27287171545743438 ~1989
27287399545747998 ~1989
272875731637254399 ~1990
27287723545754478 ~1989
272881391992034147111 ~1995
272883771637302639 ~1990
272886971637321839 ~1990
27288983545779678 ~1989
Exponent Prime Factor Digits Year
272900171637401039 ~1990
27291371545827438 ~1989
27291611545832238 ~1989
272916114912489999
27291779545835598 ~1989
272923131637538799 ~1990
27293093365727446310 ~1994
27293543545870878 ~1989
27293603545872078 ~1989
272939331637635999 ~1990
27293999545879998 ~1989
27294083545881678 ~1989
27294983545899678 ~1989
27295339174690169710 ~1993
27295511545910238 ~1989
27295679545913598 ~1989
27295739545914798 ~1989
27296051545921038 ~1989
27296579545931598 ~1989
27296903545938078 ~1989
272970011637820079 ~1990
272970131637820799 ~1990
27297191545943838 ~1989
272986334367781299 ~1991
272993811637962879 ~1990
Exponent Prime Factor Digits Year
27299423545988478 ~1989
273001211638007279 ~1990
27300263546005278 ~1989
27301091546021838 ~1989
27301199546023998 ~1989
273013578190407119 ~1992
27301619546032398 ~1989
27301691546033838 ~1989
273017392184139139 ~1991
27301961496895690310 ~1994
27302039546040798 ~1989
273025012184200099 ~1991
27302783546055678 ~1989
27302903546058078 ~1989
27302939546058798 ~1989
27303383546067678 ~1989
27304163546083278 ~1989
27304943546098878 ~1989
27305039546100798 ~1989
27305231546104638 ~1989
27305339546106798 ~1989
27305363546107278 ~1989
27305471546109438 ~1989
27305951546119038 ~1989
27306263546125278 ~1989
Exponent Prime Factor Digits Year
273075131638450799 ~1990
27307583546151678 ~1989
27309143546182878 ~1989
27309323546186478 ~1989
27309839546196798 ~1989
27309983546199678 ~1989
27310583546211678 ~1989
27310919546218398 ~1989
273109632731096319 ~1991
27311363546227278 ~1989
273122234369955699 ~1991
27312479546249598 ~1989
27312563546251278 ~1989
27313199546263998 ~1989
27313571546271438 ~1989
273136611638819679 ~1990
27313691546273838 ~1989
27314279546285598 ~1989
27314471546289438 ~1989
273151571638909439 ~1990
27315503546310078 ~1989
27316031546320638 ~1989
273161512185292099 ~1991
27316403546328078 ~1989
27316643546332878 ~1989
1703
GIMPS The Prime Pages FactorDb.com
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25-11-02