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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
99061574556832239 ~1989
9906779198135598 ~1986
9906983198139678 ~1986
9907013594420798 ~1987
99070211585123379 ~1988
9908303198166078 ~1986
9908621594517278 ~1987
9908713594522798 ~1987
9908897792711778 ~1987
9909071198181438 ~1986
9909509792760738 ~1987
9910073594604398 ~1987
9910193594611598 ~1987
9910223198204478 ~1986
9910319198206398 ~1986
9910577594634638 ~1987
9910757594645438 ~1987
9910811198216238 ~1986
9911257594675438 ~1987
9911339198226798 ~1986
9911633594697998 ~1987
9911701594702078 ~1987
99117535550581699 ~1989
9911773594706398 ~1987
9911953594717198 ~1987
Exponent Prime Factor Digits Year
9911963198239278 ~1986
9912251198245038 ~1986
9912491198249838 ~1986
9912599198251998 ~1986
9912659198253198 ~1986
9912671198253438 ~1986
9912689793015138 ~1987
9912719198254398 ~1986
99132175551401539 ~1989
9913283198265678 ~1986
99134394163644399 ~1989
9913511198270238 ~1986
9913523198270478 ~1986
9913753594825198 ~1987
9913919198278398 ~1986
9913979198279598 ~1986
9914287991428718 ~1987
99143091388003279 ~1988
9914351198287038 ~1986
9914363198287278 ~1986
9914477594868638 ~1987
99145212181194639 ~1988
9914819198296398 ~1986
9915203198304078 ~1986
9915299198305998 ~1986
Exponent Prime Factor Digits Year
9915299793223938
99154271586468339 ~1988
9915791198315838 ~1986
9915791793263298
99158213173062739 ~1989
99160034164721279 ~1989
9916031198320638 ~1986
9916163198323278 ~1986
9916177594970638 ~1987
99165611586649779 ~1988
9916583198331678 ~1986
9916649793331938 ~1987
9916741595004478 ~1987
9917051198341038 ~1986
9917279198345598 ~1986
9917309119007708110 ~1990
9918017595081038 ~1987
9918059198361198 ~1986
9918383198367678 ~1986
99184131388577839 ~1988
9918563198371278 ~1986
9918593595115598 ~1987
99186071586977139 ~1988
9918617793489378 ~1987
9918647793491778 ~1987
Exponent Prime Factor Digits Year
9919037793522978 ~1987
9919379198387598 ~1986
9919523198390478 ~1986
99196671785540079 ~1988
9919963142847467310 ~1990
9920159198403198 ~1986
9920303198406078 ~1986
9920357595221438 ~1987
9920411198408238 ~1986
9920951198419038 ~1986
9920957595257438 ~1987
9921133595267998 ~1987
99211372976341119 ~1989
9921311198426238 ~1986
99218032381232739 ~1988
9921817595309038 ~1987
9922043198440878 ~1986
99221111785979999 ~1988
9922277793782178 ~1987
9922403198448078 ~1986
9922571198451438 ~1986
99232991786193839 ~1988
9923701595422078 ~1987
99237892977136719 ~1989
99238039526850899 ~1990
1030
GIMPS The Prime Pages FactorDb.com
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25-09-07