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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
9753637585218238 ~1987
9753899195077998 ~1986
9753917780313378 ~1987
9753983195079678 ~1986
9754321585259278 ~1987
9754621585277278 ~1987
9754763195095278 ~1986
9754859195097198 ~1986
9754919195098398 ~1986
97552691636934138311 ~1993
9755327780426178 ~1987
9755351195107038 ~1986
9755831195116638 ~1986
9756083195121678 ~1986
9756193585371598 ~1987
97562772926883119 ~1988
97564372341544899 ~1988
97567794097847199 ~1989
9757019195140398 ~1986
9757199195143998 ~1986
9757217171727019310 ~1990
9757271195145438 ~1986
97574831561197299 ~1988
9757523195150478 ~1986
9757703195154078 ~1986
Exp. Prime Factor Digits Year
97579271561268339 ~1988
9758173585490398 ~1987
9758261585495678 ~1987
9758579195171598 ~1986
9758591780687298 ~1987
9758653585519198 ~1987
9758741585524478 ~1987
9758767975876718 ~1987
9758999195179998 ~1986
9759023195180478 ~1986
9759047780723778 ~1987
9759143195182878 ~1986
9759437585566238 ~1987
9759539195190798 ~1986
9759551780764098 ~1987
9759553585573198 ~1987
9759803195196078 ~1986
9759917585595038 ~1987
9760367780829378 ~1987
9760403195208078 ~1986
9760511780840898 ~1987
9760739195214798 ~1986
97607393123436499
9760979780878338 ~1987
9760981585658878 ~1987
Exp. Prime Factor Digits Year
9761033585661998 ~1987
9761243195224878 ~1986
9761351195227038 ~1986
97616398785475119 ~1990
9761693585701598 ~1987
9761711195234238 ~1986
97617531366645439 ~1988
9762353585741198 ~1987
9762611195252238 ~1986
9762853585771198 ~1987
9762917585775038 ~1987
9763141585788478 ~1987
9763361585801678 ~1987
97635532929065919 ~1988
9764257585855438 ~1987
9764317585859038 ~1987
9764399195287998 ~1986
9764591195291838 ~1986
9764617585877038 ~1987
9764663195293278 ~1986
9764921585895278 ~1987
9764939195298798 ~1986
9765023195300478 ~1986
9765473585928398 ~1987
97657932148474479 ~1988
Exp. Prime Factor Digits Year
97661931367267039 ~1988
9767291195345838 ~1986
9767413586044798 ~1987
9767581586054878 ~1987
97676292344230979 ~1988
9767677586060638 ~1987
9767711195354238 ~1986
9767827976782718 ~1987
9767903195358078 ~1986
9768233586093998 ~1987
9768431195368638 ~1986
9768443195368878 ~1986
9768449781475938 ~1987
9768509781480738 ~1987
97688232344517539 ~1988
9768883971026970310 ~1992
9768971195379438 ~1986
97689713126070739
97690071758421279 ~1988
9769139195382798 ~1986
9769139781531138
9769423976942318 ~1987
97695472344691299 ~1988
97697571367765999 ~1988
9770017586201038 ~1987
1036
GIMPS The Prime Pages FactorDb.com
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25-12-14