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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.
Exp. Prime Factor Digits Year
66219973046118639 ~1988
6622097927093598 ~1986
6622193927107038 ~1986
6622391132447838 ~1984
6622457397347438 ~1985
66224895827790339 ~1988
6622661397359678 ~1985
66227111192087999 ~1987
6622799132455998 ~1984
6622823132456478 ~1984
6623101397386078 ~1985
6623159132463198 ~1984
6623231132464638 ~1984
6623411529872898 ~1986
6623719662371918 ~1986
6624503132490078 ~1984
6624659132493198 ~1984
6624671132493438 ~1984
6624743132494878 ~1984
6624899132497998 ~1984
66252373047609039 ~1988
6625301530024098 ~1986
6625343132506878 ~1984
6625379530030338 ~1986
6625481397528878 ~1985
Exp. Prime Factor Digits Year
6625511132510238 ~1984
6625823132516478 ~1984
66260777818770879 ~1989
6626267530101378 ~1986
6626351530108098 ~1986
66263513313175519
6626423132528478 ~1984
66266039542308339 ~1989
6626621530129698 ~1986
6626723132534478 ~1984
6627001397620078 ~1985
6627083132541678 ~1984
6627119132542398 ~1984
6627191530175298 ~1986
6627359132547198 ~1984
6627497530199778 ~1986
6627503132550078 ~1984
6627581397654878 ~1985
6627851132557038 ~1984
6627991662799118 ~1986
6628103132562078 ~1984
6628201397692078 ~1985
6628253397695198 ~1985
6628313397698798 ~1985
6628373397702398 ~1985
Exp. Prime Factor Digits Year
6628379132567598 ~1984
6628379530270338
66284171060546739 ~1986
6628571132571438 ~1984
6628613928005838 ~1986
6628717397723038 ~1985
6628813397728798 ~1985
6629177530334178 ~1986
6629213397752798 ~1985
6629471132589438 ~1984
6630101530408098 ~1986
6630167530413378 ~1986
6630191530415298 ~1986
6630467530437378 ~1986
6630551132611038 ~1984
6630749928304878 ~1986
6630817397849038 ~1985
6631109530488738 ~1986
6631379132627598 ~1984
6631571132631438 ~1984
6631591663159118 ~1986
6631679132633598 ~1984
6631693397901598 ~1985
6631721397903278 ~1985
6631721530537698
Exp. Prime Factor Digits Year
6631871132637438 ~1984
66319792785431199 ~1988
6632051132641038 ~1984
6632063132641278 ~1984
6632141397928478 ~1985
6632519132650398 ~1984
6632519530601538
6632819132656398 ~1984
6632981397978878 ~1985
6633047530643778 ~1986
66331191193961439 ~1987
6633197397991838 ~1985
6633241397994478 ~1985
6633877398032638 ~1985
6634079132681598 ~1984
6634091132681838 ~1984
6634571132691438 ~1984
6634597398075838 ~1985
6634871132697438 ~1984
6635261398115678 ~1985
6635467663546718 ~1986
66356117033747679 ~1988
6635821398149278 ~1985
6635897929025598 ~1986
6635903132718078 ~1984
823
GIMPS The Prime Pages FactorDb.com
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25-11-02