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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
52465031259160739 ~1986
5246519104930398 ~1983
52466172518376179 ~1987
5246867944436078 ~1986
5246873314812398 ~1985
5246957734573998 ~1986
5246981419758498 ~1985
5247041314822478 ~1985
5247083104941678 ~1983
52472331259335939 ~1986
5247299104945998 ~1983
5247391251874768110 ~1989
5247461419796898 ~1985
5247491104949838 ~1983
5247659104953198 ~1983
5247919524791918 ~1985
5248091104961838 ~1983
52481532099261219 ~1987
5248499104969998 ~1983
5248499419879938
5248559419884738 ~1985
5248583104971678 ~1983
5248601419888098 ~1985
52488431259722339 ~1986
5249011524901118 ~1985
Exp. Prime Factor Digits Year
5249033734864638 ~1986
5249051419924098 ~1985
5249399104987998 ~1983
5249479944906238 ~1986
5249663104993278 ~1983
5249683524968318 ~1985
5249731524973118 ~1985
52497711364940479 ~1986
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
Exp. Prime Factor Digits Year
5251193315071598 ~1985
5251271105025438 ~1984
52515071785512399 ~1987
52516633781197379 ~1987
5251783525178318 ~1985
5251859105037198 ~1984
5251919420153538 ~1985
5252281840364978 ~1986
5252413315144798 ~1985
5252603105052078 ~1984
52526411155581039 ~1986
5252761315165678 ~1985
5253203105064078 ~1984
52532172521544179 ~1987
5253383105067678 ~1984
5253431105068638 ~1984
5253487525348718 ~1985
5253779105075598 ~1984
52538811996474799 ~1987
5254019420321538 ~1985
5254163105083278 ~1984
5254247420339778 ~1985
5254637735649198 ~1986
5254721315283278 ~1985
5254831525483118 ~1985
Exp. Prime Factor Digits Year
52550691681622099 ~1986
5255101315306078 ~1985
5255113315306798 ~1985
5255233315313998 ~1985
5255479525547918 ~1985
52555271261326499 ~1986
5255531105110638 ~1984
52556171261348099 ~1986
5255773840923698 ~1986
5255819105116398 ~1984
5255863525586318 ~1985
5256137315368238 ~1985
5256239105124798 ~1984
52562531576875919 ~1986
5256341315380478 ~1985
5256371105127438 ~1984
5256661315399678 ~1985
5256683105133678 ~1984
5256751525675118 ~1985
5256851105137038 ~1984
5257079105141598 ~1984
5257157315429438 ~1985
5257361315441678 ~1985
5257463105149278 ~1984
5257493736049038 ~1986
732
GIMPS The Prime Pages FactorDb.com
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26-05-10