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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
126614581202583329710 ~1997
126615007126615007110 ~1996
1266167935773725760911 ~2000
1266176937597061599 ~1995
1266206392532412799 ~1994
1266210377597262239 ~1995
1266214792532429599 ~1994
1266217792532435599 ~1994
1266217912532435839 ~1994
1266241912532483839 ~1994
1266244192532488399 ~1994
1266265792532531599 ~1994
1266294112532588239 ~1994
1266296632532593279 ~1994
1266298432532596879 ~1994
1266316192532632399 ~1994
126633593177287030310 ~1996
1266356992532713999 ~1994
1266372712532745439 ~1994
126638047126638047110 ~1996
126638297101310637710 ~1996
1266390592532781199 ~1994
1266392177598353039 ~1995
126641731126641731110 ~1996
1266438232532876479 ~1994
Exponent Prime Factor Digits Year
1266450977598705839 ~1995
1266472312532944639 ~1994
1266477232532954479 ~1994
1266515992533031999 ~1994
1266632032533264079 ~1994
1266662032533324079 ~1994
1266678232533356479 ~1994
126670667101336533710 ~1996
1266752392533504799 ~1994
1266754432533508879 ~1994
1266774712533549439 ~1994
1266806392533612799 ~1994
1266833632533667279 ~1994
1266834232533668479 ~1994
1266837232533674479 ~1994
1266875512533751039 ~1994
1266904192533808399 ~1994
1266906712533813439 ~1994
1266912232533824479 ~1994
1266995777601974639 ~1995
126706051228070891910 ~1997
1267067992534135999 ~1994
1267082512534165039 ~1994
1267114137602684799 ~1995
1267114792534229599 ~1994
Exponent Prime Factor Digits Year
126727247101381797710 ~1996
1267282912534565839 ~1994
1267364817604188879 ~1995
1267412032534824079 ~1994
126741491101393192910 ~1996
1267428592534857199 ~1994
126742991101394392910 ~1996
1267446137604676799 ~1995
1267474312534948639 ~1994
1267477937604867599 ~1995
1267495937604975599 ~1995
1267544512535089039 ~1994
1267545017605270079 ~1995
1267552432535104879 ~1994
126755899228160618310 ~1997
1267563592535127199 ~1994
1267583632535167279 ~1994
126760057202816091310 ~1997
126761983532400328710 ~1998
1267624792535249599 ~1994
1267644832535289679 ~1994
1267660912535321839 ~1994
1267692712535385439 ~1994
1267701832535403679 ~1994
1267705432535410879 ~1994
Exponent Prime Factor Digits Year
126771149177479608710 ~1996
126771889304252533710 ~1997
1267758712535517439 ~1994
1267879432535758879 ~1994
1267906792535813599 ~1994
1267929777607578639 ~1995
1267964512535929039 ~1994
126797761380393283110 ~1997
1267981312535962639 ~1994
126801509101441207310 ~1996
126804767101443813710 ~1996
126807979228254362310 ~1997
126814469101451575310 ~1996
1268158817608952879 ~1995
1268160232536320479 ~1994
1268163232536326479 ~1994
1268163737608982399 ~1995
1268169737609018399 ~1995
1268215432536430879 ~1994
1268272017609632079 ~1995
1268278912536557839 ~1994
1268284792536569599 ~1994
1268292712536585439 ~1994
1268307712536615439 ~1994
1268313712536627439 ~1994
2839
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26-05-03