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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.
Exponent Prime Factor Digits Year
111181396448520639 ~1990
11118143222362878 ~1986
11118251222365038 ~1986
11118521889481698 ~1987
11118533667111998 ~1987
11118797667127838 ~1987
11119021667141278 ~1987
11119103222382078 ~1986
11119319222386398 ~1986
11119817667189038 ~1987
11119859222397198 ~1986
11120171222403438 ~1986
11120591222411838 ~1986
11120597667235838 ~1987
11120777667246638 ~1987
11121083222421678 ~1986
11121217667273038 ~1987
11122393667343598 ~1987
11122451222449038 ~1986
11122561667353678 ~1987
111225614449024419
11122883222457678 ~1986
11123039222460798 ~1986
11123243222464878 ~1986
111235993782023679 ~1989
Exponent Prime Factor Digits Year
111237671112376719 ~1988
11123773667426398 ~1987
111241511112415119 ~1988
11124517667471038 ~1987
11124731222494638 ~1986
11124983222499678 ~1986
11125139890011138 ~1987
11125223222504478 ~1986
11125319222506398 ~1986
11125343222506878 ~1986
11125379222507598 ~1986
11125619222512398 ~1986
11125727890058178 ~1987
11125799222515998 ~1986
11126173667570398 ~1987
11126471222529438 ~1986
11126617667597038 ~1987
11127023222540478 ~1986
11127059222541198 ~1986
11127241667634478 ~1987
111273797121522579 ~1990
11127563222551278 ~1986
111275691557859679 ~1988
11127997667679838 ~1987
11128031222560638 ~1986
Exponent Prime Factor Digits Year
111282773338483119 ~1989
11128441667706478 ~1987
111284593783676079 ~1989
11128739222574798 ~1986
11128763222575278 ~1986
11128811222576238 ~1986
11129141890331298 ~1987
11129333667759998 ~1987
11129603222592078 ~1986
111298131558173839 ~1988
11130083222601678 ~1986
11130157667809438 ~1987
11130193667811598 ~1987
11130683222613678 ~1986
11130761667845678 ~1987
11130913667854798 ~1987
11131163222623278 ~1986
11131187890494978 ~1987
111312311780996979 ~1988
11131271222625438 ~1986
11131391222627838 ~1986
11131553667893198 ~1987
11131741667904478 ~1987
11131979222639598 ~1986
11132113667926798 ~1987
Exponent Prime Factor Digits Year
11132159890572738 ~1987
11132393667943598 ~1987
11132453667947198 ~1987
11132783222655678 ~1986
11132837667970238 ~1987
11132903222658078 ~1986
111330071113300719 ~1988
11133191222663838 ~1986
111331915343931699
11133203222664078 ~1986
11133217667993038 ~1987
111332578683940479 ~1990
11133539222670798 ~1986
11133719222674398 ~1986
11133917149194487910 ~1990
11133961668037678 ~1987
11134043222680878 ~1986
111343076235211939 ~1990
11134633668077998 ~1987
11134943222698878 ~1986
11135161668109678 ~1987
11135219222704398 ~1986
11135401668124078 ~1987
11135437668126238 ~1987
11135471222709438 ~1986
1097
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25-09-07