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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
76230371219685939 ~1987
76231371067239199 ~1987
7623311609864898 ~1986
7623359152467198 ~1985
76234031219744499 ~1987
7623661457419678 ~1986
7623779152475598 ~1985
76240331219845299 ~1987
7624139609931138 ~1986
7624271152485438 ~1985
7624433457465998 ~1986
7624457609956578 ~1986
7624649609971938 ~1986
7624691152493838 ~1985
7624691609975298
76248311372469599 ~1987
7624913457494798 ~1986
76253233050129219 ~1988
7625357610028578 ~1986
7625363152507278 ~1985
7625603152512078 ~1985
7625621457537278 ~1986
7625699152513998 ~1985
7625701457542078 ~1986
7625789610063138 ~1986
Exp. Prime Factor Digits Year
7625939152518798 ~1985
7626119152522398 ~1985
76263132287893919 ~1988
7626629610130338 ~1986
76266671220266739 ~1987
7627063762706318 ~1986
7627093457625598 ~1986
7627199152543998 ~1985
7627393457643598 ~1986
76275892440828499 ~1988
76279431983265199 ~1987
7627979152559598 ~1985
7628069610245538 ~1986
7628221457693278 ~1986
7628339152566798 ~1985
7628399152567998 ~1985
7628591152571838 ~1985
76286271373152879 ~1987
7628681457720878 ~1986
76288671830928099 ~1987
7629071152581438 ~1985
7629179610334338 ~1986
7629299152585998 ~1985
7629851152597038 ~1985
7630067610405378 ~1986
Exp. Prime Factor Digits Year
7630081457804878 ~1986
7630211152604238 ~1985
76304771220876339 ~1987
76305895494024099 ~1989
7630643152612878 ~1985
7630789114461835110 ~1989
7630817457849038 ~1986
7631051152621038 ~1985
7631381457882878 ~1986
76314891068408479 ~1987
7631537610522978 ~1986
7631551763155118 ~1986
7631761457905678 ~1986
7631831152636638 ~1985
7631881457912878 ~1986
7631951610556098 ~1986
7632011152640238 ~1985
7632011610560898
7632059610564738 ~1986
7632143152642878 ~1985
7632533457951998 ~1986
7632641457958478 ~1986
7632719610617538 ~1986
76329711373934799 ~1987
7633091152661838 ~1985
Exp. Prime Factor Digits Year
76330911373956399
76336274964911000911 ~1993
7633679152673598 ~1985
7633679610694338
7633859152677198 ~1985
7633859610708738
7634093458045598 ~1986
7634113458046798 ~1986
7634357610748578 ~1986
7634441458066478 ~1986
7634519152690398 ~1985
7634719763471918 ~1986
76349691068895679 ~1987
7635059152701198 ~1985
76353473664966579 ~1988
7635647610851778 ~1986
7635899152717998 ~1985
7636093458165598 ~1986
7636931610954498 ~1986
7637011763701118 ~1986
7637033458221998 ~1986
7637243152744878 ~1985
76373231832957539 ~1987
7637351152747038 ~1985
76375991374767839 ~1987
875
GIMPS The Prime Pages FactorDb.com
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25-06-01