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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
5214179417134338 ~1985
52141979072702799 ~1988
52142594275692399 ~1987
5214367834298738 ~1986
5214719104294398 ~1983
5215127938722878 ~1986
5215271104305438 ~1983
5215333312919998 ~1985
5215433730160638 ~1986
5215499104309998 ~1983
52155171251724099 ~1986
5215739104314798 ~1983
5215811104316238 ~1983
5216053312963198 ~1985
5216573730320238 ~1986
5216767521676718 ~1985
5216801313008078 ~1985
5216941834710578 ~1986
52169712191127839 ~1987
5217007521700718 ~1985
5217257730415998 ~1986
5217263104345278 ~1983
5217431104348638 ~1983
5217743104354878 ~1983
5217781834844978 ~1986
Exp. Prime Factor Digits Year
52178591252286179 ~1986
5217911104358238 ~1983
5217917313075038 ~1985
5217923104358478 ~1983
5218139417451138 ~1985
5218391417471298 ~1985
52186272087450819 ~1987
5218721417497698 ~1985
52187293653110319 ~1987
5218919104378398 ~1983
5218933313135998 ~1985
5219047521904718 ~1985
5219111104382238 ~1983
5219273730698238 ~1986
52192871252628899 ~1986
5219309417544738 ~1985
5219339104386798 ~1983
5219531104390638 ~1983
5219743835158898 ~1986
5219783104395678 ~1983
5219911521991118 ~1985
5220001313200078 ~1985
5220233313213998 ~1985
5220359417628738 ~1985
5220361313221678 ~1985
Exp. Prime Factor Digits Year
5220731104414638 ~1983
5220907522090718 ~1985
5220983104419678 ~1983
5221001417680098 ~1985
52211291253070979 ~1986
52212831253107939 ~1986
5221373313282398 ~1985
5221451104429038 ~1983
52218291566548719 ~1986
5222057731087998 ~1986
5222099417767938 ~1985
5222183104443678 ~1983
5222297417783778 ~1985
52223095326755199 ~1988
5222411104448238 ~1983
5222801313368078 ~1985
5222879104457598 ~1983
5222963104459278 ~1983
5222993313379598 ~1985
5223083104461678 ~1983
5223227417858178 ~1985
52232872507177779 ~1987
5223371104467438 ~1983
5223611104472238 ~1983
5223671104473438 ~1983
Exp. Prime Factor Digits Year
5223731417898498 ~1985
5223853313431198 ~1985
5224229417938338 ~1985
52242774492878239 ~1987
52243391253841379 ~1986
5224643104492878 ~1983
52246431253914339
5224811104496238 ~1983
5224931104498638 ~1983
5224991104499838 ~1983
5225039104500798 ~1983
5225107522510718 ~1985
5225173313510398 ~1985
5225201313512078 ~1985
5225369418029538 ~1985
5225471104509438 ~1983
52255092508244339 ~1987
52255331149617279 ~1986
5225821313549278 ~1985
5225993313559598 ~1985
5226077313564638 ~1985
5226113731655838 ~1986
52264795958186079 ~1988
5226517313591038 ~1985
5226847522684718 ~1985
722
GIMPS The Prime Pages FactorDb.com
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26-02-08