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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
568667391137334799 ~1992
568680133412080799 ~1993
568706991137413999 ~1992
56871791102369223910 ~1994
568718031137436079 ~1992
568722379099557939 ~1994
568748595687485919 ~1993
568755173412531039 ~1993
56875561443629375910 ~1995
568762191137524399 ~1992
568763813412582879 ~1993
568763991137527999 ~1992
56876681318509413710 ~1995
568777911137555839 ~1992
568802511137605039 ~1992
568815231137630479 ~1992
568835511137671039 ~1992
568859631137719279 ~1992
56886001125149202310 ~1994
568864395688643919 ~1993
568872831137745679 ~1992
568876791137753599 ~1992
568880031137760079 ~1992
568883391137766799 ~1992
568900791137801599 ~1992
Exponent Prime Factor Digits Year
568922631137845279 ~1992
568929111137858239 ~1992
568929711137859439 ~1992
568933791137867599 ~1992
568944711137889439 ~1992
568952214551617699 ~1993
568962111137924239 ~1992
56896391785170195910 ~1996
568986591137973199 ~1992
568993791137987599 ~1992
569024213414145279 ~1993
569031831138063679 ~1992
569039631138079279 ~1992
569043613414261679 ~1993
569043831138087679 ~1992
569049831138099679 ~1992
569056311138112639 ~1992
569059974552479779 ~1993
569085435690854319 ~1993
56908703375597439910 ~1995
569094831138189679 ~1992
569116191138232399 ~1992
569117031138234079 ~1992
569117814552942499 ~1993
569134911138269839 ~1992
Exponent Prime Factor Digits Year
569152911138305839 ~1992
569160711138321439 ~1992
569162595691625919 ~1993
569173911138347839 ~1992
569181711138363439 ~1992
569182194553457539 ~1993
56919479284597395110 ~1995
569200791138401599 ~1992
569207391138414799 ~1992
569227074553816579 ~1993
569235231138470479 ~1992
569249835692498319 ~1993
569256111138512239 ~1992
569262111138524239 ~1992
569276031138552079 ~1992
569293314554346499 ~1993
569307439108918899 ~1994
569335311138670639 ~1992
569339391138678799 ~1992
569347973416087839 ~1993
569352711138705439 ~1992
569355591138711199 ~1992
569360391138720799 ~1992
569366511138733039 ~1992
569375631138751279 ~1992
Exponent Prime Factor Digits Year
569379111138758239 ~1992
569398911138797839 ~1992
569401933416411599 ~1993
56942377671920048710 ~1996
569447031138894079 ~1992
569449974555599779 ~1993
569452974555623779 ~1993
569462031138924079 ~1992
569462577972475999 ~1994
569492391138984799 ~1992
569509973417059839 ~1993
569521314556170499 ~1993
5695455171717170619312 ~2001
569550711139101439 ~1992
569557373417344239 ~1993
569560191139120399 ~1992
569569791139139599 ~1992
569572275695722719 ~1993
569581133417486799 ~1993
569588094556704739 ~1993
569591179113458739 ~1994
569594391139188799 ~1992
569627991139255999 ~1992
569638911139277839 ~1992
569644074557152579 ~1993
2224
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25-10-20