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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
9177617734209378 ~1987
91777336607967779 ~1989
9177827734226178 ~1987
9177929734234338 ~1987
91782311321665264111 ~1992
9178451183569038 ~1985
9178751183575038 ~1985
9178751734300098
9178979183579598 ~1985
9179029102805124910 ~1990
9179111734328898 ~1987
9179153550749198 ~1987
9179693550781598 ~1987
9180071183601438 ~1985
9180191183603838 ~1985
9180299183605998 ~1985
9180383183607678 ~1985
9180659183613198 ~1985
91807671652538079 ~1988
91811292754338719 ~1988
9181261550875678 ~1987
9181391183627838 ~1985
9181619183632398 ~1985
9181631183632638 ~1985
9181657550899438 ~1987
Exp. Prime Factor Digits Year
9182171183643438 ~1985
9182171734573698
91822331469157299 ~1988
91826272203830499 ~1988
9182639183652798 ~1985
9183131183662638 ~1985
9183373551002398 ~1987
9183641551018478 ~1987
91836531285711439 ~1987
9183793551027598 ~1987
9183841551030478 ~1987
91840271653124879 ~1988
9184093551045598 ~1987
91844772540426338311 ~1993
9184537551072238 ~1987
9184841734787298 ~1987
9185153551109198 ~1987
9185171183703438 ~1985
9185339183706798 ~1985
9185399183707998 ~1985
9185723183714478 ~1985
9185741551144478 ~1987
9185881551152878 ~1987
9186053551163198 ~1987
9186263183725278 ~1985
Exp. Prime Factor Digits Year
9187103183742078 ~1985
9187163183743278 ~1985
9187313551238798 ~1987
91873331469973299 ~1988
9187457551247438 ~1987
9187781735022498 ~1987
9187933551275998 ~1987
9187993551279598 ~1987
9188021735041698 ~1987
9188303183766078 ~1985
9188351183767038 ~1985
9188897735111778 ~1987
9189023183780478 ~1985
91890711654032799 ~1988
9189079918907918 ~1987
9189419183788398 ~1985
9189599183791998 ~1985
9189623183792478 ~1985
9189689735175138 ~1987
91898931286585039 ~1987
9189923183798478 ~1985
91899371470389939 ~1988
9190073551404398 ~1987
9190121551407278 ~1987
9190121735209698
Exp. Prime Factor Digits Year
9190249102930788910 ~1990
9190331735226498 ~1987
9190613551436798 ~1987
9190801551448078 ~1987
9191201551472078 ~1987
9191381735310498 ~1987
9191519735321538 ~1987
9191711183834238 ~1985
91917711654518799 ~1988
91917732206025539 ~1988
9191783183835678 ~1985
9192041551522478 ~1987
91920471654568479 ~1988
91923892206173379 ~1988
9192413551544798 ~1987
9192803183856078 ~1985
9192959183859198 ~1985
91930692022475199 ~1988
9193091183861838 ~1985
91932316067532479 ~1989
9193343193060203110 ~1990
9193417551605038 ~1987
9193703183874078 ~1985
9193741551624478 ~1987
9194261551655678 ~1987
1009
GIMPS The Prime Pages FactorDb.com
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26-02-08