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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
5206739104134798 ~1983
52067832082713219 ~1987
52068193332364179 ~1987
5206823104136478 ~1983
5206867937236078 ~1986
5207003104140078 ~1983
5207291104145838 ~1983
5207291416583298
5207707520770718 ~1985
52077491145704799 ~1986
52087011979306399 ~1987
5209031104180638 ~1983
5209559416764738 ~1985
5209777312586638 ~1985
5209817416785378 ~1985
5210039104200798 ~1983
5210197312611838 ~1985
5210297729441598 ~1985
52103112084124419 ~1987
5210323521032318 ~1985
5210399104207998 ~1983
5210479521047918 ~1985
5210519104210398 ~1983
5210537416842978 ~1985
5210609416848738 ~1985
Exp. Prime Factor Digits Year
5210951104219038 ~1983
5211023104220478 ~1983
5211071104221438 ~1983
5211259938026638 ~1986
5211359104227198 ~1983
5211539104230798 ~1983
5211659104233198 ~1983
5211743104234878 ~1983
5211803104236078 ~1983
5212019104240398 ~1983
5212019416961538
5212139104242798 ~1983
52123431355209199 ~1986
5212943104258878 ~1983
5212993312779598 ~1985
5213083521308318 ~1985
5213113312786798 ~1985
5213141312788478 ~1985
5213231104264638 ~1983
5213693729917038 ~1985
5213941312836478 ~1985
5213947212729037710 ~1989
52140591251374179 ~1986
5214119104282398 ~1983
5214179417134338 ~1985
Exp. Prime Factor Digits Year
52142594275692399 ~1987
5214367834298738 ~1986
5214719104294398 ~1983
5215127938722878 ~1986
5215271104305438 ~1983
5215333312919998 ~1985
5215433730160638 ~1985
5215499104309998 ~1983
5215739104314798 ~1983
5215811104316238 ~1983
5216053312963198 ~1985
5216573730320238 ~1985
5216767521676718 ~1985
5216801313008078 ~1985
5216941834710578 ~1986
52169712191127839 ~1987
5217007521700718 ~1985
5217257730415998 ~1985
5217263104345278 ~1983
5217431104348638 ~1983
5217743104354878 ~1983
5217781834844978 ~1986
52178591252286179 ~1986
5217911104358238 ~1983
5217917313075038 ~1985
Exp. Prime Factor Digits Year
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
5220731104414638 ~1983
5220907522090718 ~1985
5220983104419678 ~1983
694
GIMPS The Prime Pages FactorDb.com
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25-04-13