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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
9084991152627848910 ~1990
9085247726819778 ~1987
9085337726826978 ~1987
9085717545143038 ~1987
90864011453824179 ~1988
9086411181728238 ~1985
9086437545186238 ~1987
9086639181732798 ~1985
9086783181735678 ~1985
9086879181737598 ~1985
9086879726950338
9087257545235438 ~1987
9087359181747198 ~1985
9087581545254878 ~1987
9087797545267838 ~1987
9087839181756798 ~1985
90880973453476879 ~1988
9088153545289198 ~1987
9088379181767598 ~1985
9088481545308878 ~1987
9088559181771198 ~1985
90885613635424419 ~1989
9088619181772398 ~1985
9088679181773598 ~1985
9089021727121698 ~1987
Exp. Prime Factor Digits Year
90890771454252339 ~1988
9089123181782478 ~1985
9089141545348478 ~1987
9089159181783198 ~1985
90891771272484799 ~1987
9089219181784398 ~1985
9089609727168738 ~1987
9089651181793038 ~1985
9089831181796638 ~1985
9089903181798078 ~1985
9090181545410878 ~1987
9090377545422638 ~1987
90905471636298479 ~1988
9090551181811038 ~1985
9090671181813438 ~1985
9090853545451198 ~1987
9091021545461278 ~1987
9091151181823038 ~1985
9091223181824478 ~1985
9091273545476398 ~1987
9091441545486478 ~1987
9091871181837438 ~1985
90919393818614399 ~1989
9092183181843678 ~1985
9092533545551998 ~1987
Exp. Prime Factor Digits Year
9092711181854238 ~1985
9093251181865038 ~1985
9093551727484098 ~1987
9093817545629038 ~1987
90938711636896799 ~1988
9093961545637678 ~1987
9094153545649198 ~1987
90942911636972399 ~1988
90944691273225679 ~1987
9094571247372331310 ~1991
90948492728454719 ~1988
9095077545704638 ~1987
9095279181905598 ~1985
9095519181910398 ~1985
9095657545739438 ~1987
9095831727666498 ~1987
9095843181916878 ~1985
90960111637281999 ~1988
9096359181927198 ~1985
9097427727794178 ~1987
90974572183389699 ~1988
9097651909765118 ~1987
9097813545868798 ~1987
9097883181957678 ~1985
9097919181958398 ~1985
Exp. Prime Factor Digits Year
9097999909799918 ~1987
90979997460359199
9098233545893998 ~1987
9098477727878178 ~1987
9098693545921598 ~1987
9098783181975678 ~1985
9098833545929998 ~1987
9099113545946798 ~1987
9099197727935778 ~1987
9099287727942978 ~1987
9099659181993198 ~1985
9099791181995838 ~1985
9099821545989278 ~1987
9100079182001598 ~1985
91001598190143119 ~1989
9100211728016898 ~1987
9100739728059138 ~1987
9100859182017198 ~1985
9100901546054078 ~1987
9100919182018398 ~1985
9100961546057678 ~1987
9100961728076898
9101231182024638 ~1985
9101249398634706310 ~1991
9101293546077598 ~1987
999
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26-01-11