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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
11918891238377838 ~1986
11918981715138878 ~1987
119190671191906719 ~1988
11919437715166238 ~1987
11919443238388878 ~1986
11919683238393678 ~1986
11919857715191438 ~1987
119203137390594079 ~1990
11920379238407598 ~1986
11920511238410238 ~1986
11920691238413838 ~1986
119208712145756799 ~1989
11921177715270638 ~1987
11921381715282878 ~1987
11921761715305678 ~1987
119220132861283139 ~1989
11922359238447198 ~1986
11922479238449598 ~1986
11922539238450798 ~1986
11922697715361838 ~1987
11922731238454638 ~1986
11922791238455838 ~1986
119232171669250399 ~1988
11923259238465198 ~1986
11923739238474798 ~1986
Exponent Prime Factor Digits Year
11924303238486078 ~1986
11924657150250678310 ~1991
11924999238499998 ~1986
11925029954002338 ~1988
119252032862048739 ~1989
11925299238505998 ~1986
11925311238506238 ~1986
11926199238523998 ~1986
11926283238525678 ~1986
119263631908218099 ~1988
11926451238529038 ~1986
11926757715605438 ~1987
11926763238535278 ~1986
11926897715613838 ~1987
119270592146870639 ~1989
11927099238541998 ~1986
11927171238543438 ~1986
11927291238545838 ~1986
11927483238549678 ~1986
11927533715651998 ~1987
119275511192755119 ~1988
11927711238554238 ~1986
11927857715671438 ~1987
11927933715675998 ~1987
11928017715681038 ~1987
Exponent Prime Factor Digits Year
119280797633970579 ~1990
119281131669935839 ~1988
11928173715690398 ~1987
11928227954258178 ~1988
11928359238567198 ~1986
11928401715704078 ~1987
11928431238568638 ~1986
11928641715718478 ~1987
11928863238577278 ~1986
11929091238581838 ~1986
11929217715753038 ~1987
11929271238585438 ~1986
11929499238589998 ~1986
11929693162243824910 ~1991
11930291238605838 ~1986
11930531238610638 ~1986
11930843238616878 ~1986
119308433102019199
11931121715867278 ~1987
11931121391340768910
11931431238628638 ~1986
11931851238637038 ~1986
11932391238647838 ~1986
11932451238649038 ~1986
11932523238650478 ~1986
Exponent Prime Factor Digits Year
11932559238651198 ~1986
11932777715966638 ~1987
11932919238658398 ~1986
11933063238661278 ~1986
11933401716004078 ~1987
11933633716017998 ~1987
11933783238675678 ~1986
11933837716030238 ~1987
11934281716056878 ~1987
11934557716073438 ~1987
11934563238691278 ~1986
11934599238691998 ~1986
11934617954769378 ~1988
11934623238692478 ~1986
11934817716089038 ~1987
11934899954791938 ~1988
119350092625701999 ~1989
11935067954805378 ~1988
11935073716104398 ~1987
11935499238709998 ~1986
119362992864711779 ~1989
11936321954905698 ~1988
11936621716197278 ~1987
11937041716222478 ~1987
11937239238744798 ~1986
1156
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25-12-14