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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
12228119244562398 ~1986
12228397733703838 ~1988
12228421733705278 ~1988
12228493733709598 ~1988
12228563244571278 ~1986
12228793733727598 ~1988
122288411956614579 ~1989
12229153733749198 ~1988
12229333349758923910 ~1992
12229403244588078 ~1986
12229523244590478 ~1986
12229751244595038 ~1986
12229883244597678 ~1986
12230111244602238 ~1986
12230789978463138 ~1988
12230903244618078 ~1986
12231001733860078 ~1988
122311572935477699 ~1989
12231203244624078 ~1986
12231311244626238 ~1986
12231389978511138 ~1988
12231539244630798 ~1986
12231599244631998 ~1986
12231671244633438 ~1986
12231731244634638 ~1986
Exponent Prime Factor Digits Year
122320394892815619 ~1990
12232091244641838 ~1986
12232117733927038 ~1988
12232151244643038 ~1986
12232397733943838 ~1988
122324331712540639 ~1988
122326131712565839 ~1988
122327232935853539 ~1989
12232859244657198 ~1986
12232859978628738
12232991244659838 ~1986
12233219244664398 ~1986
12233471244669438 ~1986
12233579244671598 ~1986
12233759244675198 ~1986
12234011244680238 ~1986
12234073734044398 ~1988
12234083244681678 ~1986
12234191244683838 ~1986
12234197734051838 ~1988
12234671244693438 ~1986
12234821978785698 ~1988
12235763244715278 ~1986
12235997734159838 ~1988
12236219244724398 ~1986
Exponent Prime Factor Digits Year
12236951244739038 ~1986
12236963244739278 ~1986
122370191223701919 ~1988
122370776852763139 ~1990
12237359244747198 ~1986
12237479244749598 ~1986
12237853734271198 ~1988
12237899244757998 ~1986
12237983244759678 ~1986
12237983110141847110
12238117734287038 ~1988
12238763244775278 ~1986
12238883244777678 ~1986
12238991244779838 ~1986
12239153734349198 ~1988
12239681734380878 ~1988
12239741979179298 ~1988
12239911430844867310 ~1992
12240073734404398 ~1988
12240083244801678 ~1986
12240197734411838 ~1988
12240401734424078 ~1988
12240419244808398 ~1986
12240779244815598 ~1986
12240803244816078 ~1986
Exponent Prime Factor Digits Year
122410131713741839 ~1988
12241093734465598 ~1988
12241577734494638 ~1988
12241837734510238 ~1988
12241841154247196710 ~1991
12242123244842478 ~1986
12242291244845838 ~1986
12242473734548398 ~1988
12242621734557278 ~1988
12242651244853038 ~1986
12242891979431298 ~1988
122431031224310319 ~1988
122433671224336719 ~1988
12243541734612478 ~1988
12243551244871038 ~1986
12243557734613438 ~1988
12243743244874878 ~1986
12243817734629038 ~1988
12243839244876798 ~1986
12244109979528738 ~1988
12244319979545538 ~1988
12244361734661678 ~1988
122444592204002639 ~1989
122444831224448319 ~1988
12244871244897438 ~1986
1181
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26-02-08