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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
240064916241687679 ~1991
24007163480143278 ~1989
240076011920608099 ~1990
24007847120039235110 ~1992
24008051480161038 ~1989
240083238162829839 ~1992
24008483480169678 ~1989
24008531480170638 ~1989
24009599480191998 ~1989
24009959480199198 ~1989
24009983480199678 ~1989
24010223480204478 ~1989
24010439480208798 ~1989
240111474322006479 ~1991
24011303480226078 ~1989
24011831480236638 ~1989
240119592401195919 ~1990
24012179480243598 ~1989
24012239480244798 ~1989
24012311480246238 ~1989
24012503480250078 ~1989
24012539480250798 ~1989
24013043480260878 ~1989
240134271921074179 ~1990
24013439480268798 ~1989
Exponent Prime Factor Digits Year
24013763480275278 ~1989
24014051480281038 ~1989
24014279480285598 ~1989
24014519480290398 ~1989
240152233842435699 ~1991
24015311480306238 ~1989
24015851480317038 ~1989
24015899480317998 ~1989
24015983480319678 ~1989
24016253264178783110 ~1993
24016463480329278 ~1989
240171672401716719 ~1990
24018311480366238 ~1989
24018419480368398 ~1989
240185173842962739 ~1991
24018899480377998 ~1989
240189371441136239 ~1990
24019571480391438 ~1989
240196512401965119 ~1990
24020231480404638 ~1989
24020663480413278 ~1989
240207411441244479 ~1990
24020999480419998 ~1989
24021659480433198 ~1989
24021743480434878 ~1989
Exponent Prime Factor Digits Year
24022151480443038 ~1989
24022703480454078 ~1989
240227691921821539 ~1990
24023029187379626310 ~1993
24023423480468478 ~1989
24023459480469198 ~1989
240238875765732899 ~1991
24024419480488398 ~1989
240245899609835619 ~1992
24025679480513598 ~1989
24026339480526798 ~1989
24026531480530638 ~1989
240271731441630399 ~1990
24027431480548638 ~1989
240282891922263139 ~1990
24028391480567838 ~1989
240284713844555379 ~1991
24028523480570478 ~1989
24028619480572398 ~1989
240286916247459679 ~1991
240288531441731199 ~1990
24029003480580078 ~1989
24029171480583438 ~1989
240291711922333699
24030179480603598 ~1989
Exponent Prime Factor Digits Year
24030563288366756110 ~1993
240307011441842079 ~1990
240311271922490179 ~1990
24031151480623038 ~1989
24031919480638398 ~1989
24032219480644398 ~1989
24032303480646078 ~1989
240327731441966399 ~1990
24033599480671998 ~1989
24033731480674638 ~1989
24035003480700078 ~1989
240350171442101039 ~1990
24035279480705598 ~1989
240356232403562319 ~1990
24035723480714478 ~1989
240357771922862179 ~1990
24035783480715678 ~1989
240360373845765939 ~1991
24036179480723598 ~1989
240362171442173039 ~1990
24036251480725038 ~1989
240365832994...9694077236e3 2004
24036839480736798 ~1989
24037151480743038 ~1989
240374712403747119 ~1990
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25-04-13