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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
6624743132494878 ~1984
6624899132497998 ~1984
66252373047609039 ~1988
6625301530024098 ~1986
6625343132506878 ~1984
6625379530030338 ~1986
6625481397528878 ~1985
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
Exp. Prime Factor Digits Year
6627851132557038 ~1984
6627991662799118 ~1986
6628103132562078 ~1984
6628201397692078 ~1985
6628253397695198 ~1985
6628313397698798 ~1985
6628373397702398 ~1985
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
Exp. Prime Factor Digits Year
6631379132627598 ~1984
6631571132631438 ~1984
6631591663159118 ~1986
6631679132633598 ~1984
6631693397901598 ~1985
6631721397903278 ~1985
6631721530537698
6631871132637438 ~1984
66319792785431199 ~1987
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
Exp. Prime Factor Digits Year
6634871132697438 ~1984
6635261398115678 ~1985
6635467663546718 ~1986
66356117033747679 ~1988
6635821398149278 ~1985
6635897929025598 ~1986
6635903132718078 ~1984
6635963132719278 ~1984
6636011132720238 ~1984
6636199663619918 ~1986
6636359132727198 ~1984
6636767530941378 ~1986
6636803132736078 ~1984
66370671194672079 ~1987
6637283132745678 ~1984
6637439132748798 ~1984
6637439530995138
6637637398258238 ~1985
6637643132752878 ~1984
6637979132759598 ~1984
6638227663822718 ~1986
6638459132769198 ~1984
6638531132770638 ~1984
66386891991606719 ~1987
6638893398333598 ~1985
811
GIMPS The Prime Pages FactorDb.com
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25-07-08