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
10238183204763678 ~1986
10238279204765598 ~1986
10238297614297838 ~1987
10238597614315838 ~1987
102386331433408639 ~1988
10238759204775198 ~1986
102389091433447279 ~1988
10238951204779038 ~1986
102389831023898319 ~1987
102389831638237299
102390235119511519 ~1989
10239143204782878 ~1986
10239241614354478 ~1987
102393771433512799 ~1988
10239401614364078 ~1987
10239479819158338 ~1987
10239781614386878 ~1987
10239851204797038 ~1986
10239923204798478 ~1986
10240127819210178 ~1987
10240319204806398 ~1986
10241183204823678 ~1986
10241849819347938 ~1987
10241927819354178 ~1987
10242101614526078 ~1987
Exponent Prime Factor Digits Year
102424871024248719 ~1987
10242553614553198 ~1987
10242983204859678 ~1986
10243357614601438 ~1987
10243463204869278 ~1986
10243559204871198 ~1986
10243703204874078 ~1986
10243703174142951110
10244231204884638 ~1986
10244471204889438 ~1986
102446231024462319 ~1987
10244831204896638 ~1986
10245023204900478 ~1986
10245077614704638 ~1987
102451971434327599 ~1988
10245239204904798 ~1986
10245299204905998 ~1986
10245311204906238 ~1986
10245491204909838 ~1986
10245533614731998 ~1987
10245563204911278 ~1986
10245701614742078 ~1987
10245721614743278 ~1987
10245793614747598 ~1987
10246031204920638 ~1986
Exponent Prime Factor Digits Year
10246297614777838 ~1987
10246403204928078 ~1986
10246633614797998 ~1987
10246673614800398 ~1987
10246751204935038 ~1986
10246777614806638 ~1987
10246991204939838 ~1986
10246993516448447310 ~1992
102472912664295679 ~1988
10247401614844078 ~1987
10247423204948478 ~1986
10247819204956398 ~1986
10247843204956878 ~1986
10247879204957598 ~1986
10248101614886078 ~1987
10248131204962638 ~1986
10248323204966478 ~1986
10248613614916798 ~1987
10248659204973198 ~1986
10248737614924238 ~1987
10248881614932878 ~1987
102493631024936319 ~1987
10249451204989038 ~1986
102499371434991199 ~1988
10249979819998338 ~1987
Exponent Prime Factor Digits Year
102506931435097039 ~1988
10250759205015198 ~1986
10250771205015438 ~1986
102508433280269779 ~1989
102509691435135679 ~1988
10251011205020238 ~1986
10251347820107778 ~1987
10251443205028878 ~1986
102516132255354879 ~1988
10251817615109038 ~1987
10252271205045438 ~1986
10252301615138078 ~1987
10252433615145998 ~1987
10252577615154638 ~1987
10252919205058398 ~1986
10253213615192798 ~1987
10253471205069438 ~1986
102534711845624799
102540291435564079 ~1988
10254173615250398 ~1987
10254841615290478 ~1987
102549132461179139 ~1988
10254983205099678 ~1986
10255499205109998 ~1986
10255523205110478 ~1986
1038
GIMPS The Prime Pages FactorDb.com
Home
4.903.097 digits 		e-mail
25-07-08