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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
122221271955540339 ~1989
12222557733353438 ~1988
122227031222270319 ~1988
12222803244456078 ~1986
12222851244457038 ~1986
122230373666911119 ~1989
122234831955757299 ~1989
12223633733417998 ~1988
12223721733423278 ~1988
12223751977900098 ~1988
12224281733456878 ~1988
12224651244493038 ~1986
122248796112439519 ~1990
12225611244512238 ~1986
12225659119811458310 ~1990
122259013667770319 ~1989
12226223244524478 ~1986
12226499244529998 ~1986
12226583244531678 ~1986
122268291711756079 ~1988
12226871244537438 ~1986
12227591244551838 ~1986
122280611956489779 ~1989
12228119244562398 ~1986
12228563244571278 ~1986
Exponent Prime Factor Digits Year
122288411956614579 ~1989
12229333349758923910 ~1992
12229403244588078 ~1986
12229523244590478 ~1986
12229751244595038 ~1986
12229883244597678 ~1986
12230111244602238 ~1986
12230789978463138 ~1988
12230903244618078 ~1986
122311572935477699 ~1989
12231203244624078 ~1986
12231311244626238 ~1986
12231389978511138 ~1988
12231539244630798 ~1986
12231599244631998 ~1986
12231671244633438 ~1986
12231731244634638 ~1986
122320394892815619 ~1990
12232091244641838 ~1986
12232151244643038 ~1986
12232397733943838 ~1988
122324331712540639 ~1988
122326131712565839 ~1988
122327232935853539 ~1989
12232859244657198 ~1986
Exponent Prime Factor Digits Year
12232859978628738
12232991244659838 ~1986
12233219244664398 ~1986
12233471244669438 ~1986
12233579244671598 ~1986
12233759244675198 ~1986
12234011244680238 ~1986
12234083244681678 ~1986
12234191244683838 ~1986
12234197734051838 ~1988
12234671244693438 ~1986
12234821978785698 ~1988
12235763244715278 ~1986
12236219244724398 ~1986
12236951244739038 ~1986
12236963244739278 ~1986
122370191223701919 ~1988
122370776852763139 ~1990
12237359244747198 ~1986
12237479244749598 ~1986
12237853734271198 ~1988
12237899244757998 ~1986
12237983244759678 ~1986
12237983110141847110
12238763244775278 ~1986
Exponent Prime Factor Digits Year
12238883244777678 ~1986
12238991244779838 ~1986
12239681734380878 ~1988
12239741979179298 ~1988
12239911430844867310 ~1992
12240073734404398 ~1988
12240083244801678 ~1986
12240197734411838 ~1988
12240419244808398 ~1986
12240779244815598 ~1986
12240803244816078 ~1986
122410131713741839 ~1988
12241841154247196710 ~1991
12242123244842478 ~1986
12242291244845838 ~1986
12242651244853038 ~1986
12242891979431298 ~1988
122431031224310319 ~1988
122433671224336719 ~1988
12243541734612478 ~1988
12243551244871038 ~1986
12243743244874878 ~1986
12243839244876798 ~1986
12244109979528738 ~1988
12244319979545538 ~1988
1171
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25-12-14