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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.
Exp. Prime Factor Digits Year
5243081314584878 ~1985
5243339419467138 ~1985
5243479524347918 ~1985
5243501419480098 ~1985
5243521314611278 ~1985
5243993314639598 ~1985
5244013314640798 ~1985
5244277314656638 ~1985
5244311104886238 ~1983
5244641314678478 ~1985
52446412936998979
5244661314679678 ~1985
5244671104893438 ~1983
5244803104896078 ~1983
52449371573481119 ~1986
5245139419611138 ~1985
52453971258895299 ~1986
5245619419649538 ~1985
52460891154139599 ~1986
5246441314786478 ~1985
52465031259160739 ~1986
5246519104930398 ~1983
52466172518376179 ~1987
5246867944436078 ~1986
5246873314812398 ~1985
Exp. Prime Factor Digits Year
5246981419758498 ~1985
5247041314822478 ~1985
5247083104941678 ~1983
52472331259335939 ~1986
5247299104945998 ~1983
5247391251874768110 ~1989
5247461419796898 ~1985
5247491104949838 ~1983
5247659104953198 ~1983
5247919524791918 ~1985
5248091104961838 ~1983
5248499104969998 ~1983
5248499419879938
5248559419884738 ~1985
5248583104971678 ~1983
5248601419888098 ~1985
52488431259722339 ~1986
5249011524901118 ~1985
5249051419924098 ~1985
5249399104987998 ~1983
5249479944906238 ~1986
5249663104993278 ~1983
5249683524968318 ~1985
5249731524973118 ~1985
52497711364940479 ~1986
Exp. Prime Factor Digits Year
52498131574943919 ~1986
52498571259965699 ~1986
5249873314992398 ~1985
5249897314993838 ~1985
5249903104998078 ~1983
5250071105001438 ~1983
52501213780087139 ~1987
5250391525039118 ~1985
5250449420035938 ~1985
5250491105009838 ~1983
5250743105014878 ~1983
5250761420060898 ~1985
5250779105015598 ~1983
5250803105016078 ~1983
5250851105017038 ~1983
52510392205436399 ~1987
5251097420087778 ~1985
5251193315071598 ~1985
5251271105025438 ~1983
52515071785512399 ~1986
52516633781197379 ~1987
5251783525178318 ~1985
5251859105037198 ~1983
5251919420153538 ~1985
5252281840364978 ~1986
Exp. Prime Factor Digits Year
5252413315144798 ~1985
5252603105052078 ~1983
52526411155581039 ~1986
5252761315165678 ~1985
5253203105064078 ~1983
5253383105067678 ~1983
5253431105068638 ~1983
5253487525348718 ~1985
5253779105075598 ~1983
52538811996474799 ~1987
5254019420321538 ~1985
5254163105083278 ~1983
5254247420339778 ~1985
5254637735649198 ~1986
5254721315283278 ~1985
5254831525483118 ~1985
52550691681622099 ~1986
5255101315306078 ~1985
5255113315306798 ~1985
5255233315313998 ~1985
5255479525547918 ~1985
52555271261326499 ~1986
5255531105110638 ~1983
52556171261348099 ~1986
5255773840923698 ~1986
716
GIMPS The Prime Pages FactorDb.com
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25-11-02