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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
205540057123324034310 ~1997
205540471205540471110 ~1998
2055564714111129439 ~1996
205557221164445776910 ~1997
2055604314111208639 ~1996
205562297164449837710 ~1997
205567409287794372710 ~1998
205572047164457637710 ~1997
205577173123346303910 ~1997
205578103205578103110 ~1998
2055785394111570799 ~1996
2055861234111722479 ~1996
2055889194111778399 ~1996
2055978114111956239 ~1996
2056007994112015999 ~1996
2056021914112043839 ~1996
2056022034112044079 ~1996
2056141314112282639 ~1996
2056151034112302079 ~1996
2056196514112393039 ~1996
2056253514112507039 ~1996
2056320714112641439 ~1996
2056344834112689679 ~1996
205635161123381096710 ~1997
2056466634112933279 ~1996
Exponent Prime Factor Digits Year
2056480434112960879 ~1996
2056502514113005039 ~1996
2056534914113069839 ~1996
2056588194113176399 ~1996
2056589034113178079 ~1996
2056624914113249839 ~1996
2056680594113361199 ~1996
205669361123401616710 ~1997
2056785594113571199 ~1996
2056807914113615839 ~1996
2056815234113630479 ~1996
2056831434113662879 ~1996
2056839834113679679 ~1996
205685413123411247910 ~1997
2056887114113774239 ~1996
205690889287967244710 ~1998
205691413123414847910 ~1997
2056976994113953999 ~1996
2056999194113998399 ~1996
2057003034114006079 ~1996
205701007205701007110 ~1998
2057070834114141679 ~1996
205711439493707453710 ~1999
2057141634114283279 ~1996
205719757493727416910 ~1999
Exponent Prime Factor Digits Year
205723061123433836710 ~1997
2057240034114480079 ~1996
2057353314114706639 ~1996
2057427834114855679 ~1996
2057487714114975439 ~1996
2057540394115080799 ~1996
2057550594115101199 ~1996
2057574114115148239 ~1996
205767629164614103310 ~1997
205771567329234507310 ~1998
2057743914115487839 ~1996
2057790114115580239 ~1996
2057791914115583839 ~1996
2057895114115790239 ~1996
205795003823180012110 ~1999
205798193123478915910 ~1997
205799261123479556710 ~1997
2058007794116015599 ~1996
2058067194116134399 ~1996
2058074634116149279 ~1996
205814647205814647110 ~1998
2058152994116305999 ~1996
2058203394116406799 ~1996
2058216114116432239 ~1996
2058235434116470879 ~1996
Exponent Prime Factor Digits Year
2058250194116500399 ~1996
2058252114116504239 ~1996
2058326394116652799 ~1996
205837271164669816910 ~1997
205841609658693148910 ~1999
2058436194116872399 ~1996
2058580434117160879 ~1996
2058586434117172879 ~1996
205869701123521820710 ~1997
2058697434117394879 ~1996
205871657123522994310 ~1997
2058793914117587839 ~1996
20588356918282460927312 ~2002
2058897594117795199 ~1996
2058973434117946879 ~1996
2058999834117999679 ~1996
2059102314118204639 ~1996
205912843205912843110 ~1998
205913941123548364710 ~1997
2059146714118293439 ~1996
205917227164733781710 ~1997
2059187994118375999 ~1996
20591998311243231071912 ~2002
2059228314118456639 ~1996
205924561123554736710 ~1997
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25-05-04