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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
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
12232859978628738
12232991244659838 ~1986
12233219244664398 ~1986
12233471244669438 ~1986
12233579244671598 ~1986
12233759244675198 ~1986
12234011244680238 ~1986
12234083244681678 ~1986
12234191244683838 ~1986
12234197734051838 ~1988
12234671244693438 ~1986
Exponent Prime Factor Digits Year
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
12238883244777678 ~1986
12238991244779838 ~1986
12239681734380878 ~1988
12239741979179298 ~1988
12239911430844867310 ~1992
12240073734404398 ~1988
12240083244801678 ~1986
12240197734411838 ~1988
12240419244808398 ~1986
12240779244815598 ~1986
12240803244816078 ~1986
Exponent Prime Factor Digits Year
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
12244361734661678 ~1988
122444592204002639 ~1989
122444831224448319 ~1988
12244871244897438 ~1986
12244871979589698
12245081979606498 ~1988
12245099244901998 ~1986
12245399244907998 ~1986
122456032938944739 ~1989
12245741979659298 ~1988
12245879244917598 ~1986
Exponent Prime Factor Digits Year
12245939244918798 ~1986
12246191244923838 ~1986
12246337734780238 ~1988
12246623244932478 ~1986
12247211244944238 ~1986
12247423411513412910 ~1992
12247919244958398 ~1986
12248231244964638 ~1986
12248473734908398 ~1988
12248741979899298 ~1988
12248941734936478 ~1988
12249323244986478 ~1986
12249383244987678 ~1986
12249533127395143310 ~1991
12249917979993378 ~1988
12249983244999678 ~1986
12250211245004238 ~1986
12250397980031778 ~1988
12250493735029598 ~1988
122506271225062719 ~1988
12250681735040878 ~1988
12251411245028238 ~1986
12252263245045278 ~1986
12252431245048638 ~1986
12252641735158478 ~1988
1137
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25-07-08