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
222447771334686639 ~1990
22244879444897598 ~1988
22245263444905278 ~1988
22245719444914398 ~1988
22245803444916078 ~1988
222459131334754799 ~1990
22246019444920398 ~1988
22246079444921598 ~1988
22246331444926638 ~1988
222463371779706979 ~1990
22247363444947278 ~1988
22248119444962398 ~1988
222482271779858179 ~1990
22248739355979824110 ~1993
22248851444977038 ~1988
22249091444981838 ~1988
22249151444983038 ~1988
22249343444986878 ~1988
222493731334962399 ~1990
22250099445001998 ~1988
222501011335006079 ~1990
22250639445012798 ~1988
22250759445015198 ~1988
22250771445015438 ~1988
22251371445027438 ~1988
Exponent Prime Factor Digits Year
22251503445030078 ~1988
222515331335091999 ~1990
22251731445034638 ~1988
22251923445038478 ~1988
22252343445046878 ~1988
22253183445063678 ~1988
222534176676025119 ~1991
22253519445070398 ~1988
22253723445074478 ~1988
22253879445077598 ~1988
22254059445081198 ~1988
22254119445082398 ~1988
222547334896041279 ~1991
222549371335296239 ~1990
22254959445099198 ~1988
222550971780407779 ~1990
222551091780408739 ~1990
222556571335339439 ~1990
22256231445124638 ~1988
222563091780504739 ~1990
22256483445129678 ~1988
22256603445132078 ~1988
22256879445137598 ~1988
22257503445150078 ~1988
22258199445163998 ~1988
Exponent Prime Factor Digits Year
22258343445166878 ~1988
22258679445173598 ~1988
222586971335521839 ~1990
22258919445178398 ~1988
222593811335562879 ~1990
222598011335588079 ~1990
22259819445196398 ~1988
22260071445201438 ~1988
22260671445213438 ~1988
22260779445215598 ~1988
222608531335651199 ~1990
22261163445223278 ~1988
222613011335678079 ~1990
22261391445227838 ~1988
22261439445228798 ~1988
22262063445241278 ~1988
222620871780966979 ~1990
22262543445250878 ~1988
22262711445254238 ~1988
222630495343131779 ~1991
222637211335823279 ~1990
222640491781123939 ~1990
222640493116966879
222641474007546479 ~1991
22264283445285678 ~1988
Exponent Prime Factor Digits Year
22264439445288798 ~1988
22264871445297438 ~1988
222648771335892639 ~1990
22264919445298398 ~1988
22265723445314478 ~1988
22266371445327438 ~1988
22266383445327678 ~1988
22266911445338238 ~1988
22267103445342078 ~1988
22267319445346398 ~1988
22267523445350478 ~1988
22267643445352878 ~1988
22268219445364398 ~1988
22268483445369678 ~1988
22269503445390078 ~1988
22269959445399198 ~1988
22270019445400398 ~1988
22270271445405438 ~1988
22270343445406878 ~1988
22270439445408798 ~1988
22270823445416478 ~1988
222709331336255999 ~1990
222716331336297999 ~1990
22271663445433278 ~1988
22272011445440238 ~1988
1545
GIMPS The Prime Pages FactorDb.com
Home
5.157.210 digits 		e-mail
25-11-02