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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
52059131249419139 ~1986
5205953312357198 ~1985
5205997312359838 ~1985
5206121312367278 ~1985
52061531145353679 ~1986
5206193728867038 ~1986
5206273312376398 ~1985
5206363520636318 ~1985
52063731666039379 ~1986
52064172394951839 ~1987
5206447520644718 ~1985
52064891561946719 ~1986
5206511104130238 ~1983
5206739104134798 ~1983
52067832082713219 ~1987
52068193332364179 ~1987
5206823104136478 ~1983
5206867937236078 ~1986
5207003104140078 ~1983
5207291104145838 ~1983
5207291416583298
5207707520770718 ~1985
52077491145704799 ~1986
52087011979306399 ~1987
5209031104180638 ~1983
Exp. Prime Factor Digits Year
5209559416764738 ~1985
5209777312586638 ~1985
5209817416785378 ~1985
5210039104200798 ~1983
5210197312611838 ~1985
5210297729441598 ~1986
52103112084124419 ~1987
5210323521032318 ~1985
5210399104207998 ~1983
5210479521047918 ~1985
5210519104210398 ~1983
5210537416842978 ~1985
5210609416848738 ~1985
5210951104219038 ~1983
5211023104220478 ~1983
5211071104221438 ~1983
5211233729572638 ~1986
5211259938026638 ~1986
5211359104227198 ~1983
5211539104230798 ~1983
5211659104233198 ~1983
5211743104234878 ~1983
5211803104236078 ~1983
5212019104240398 ~1983
5212019416961538
Exp. Prime Factor Digits Year
5212139104242798 ~1983
5212157729701998 ~1986
52123431355209199 ~1986
5212469729745678 ~1986
5212943104258878 ~1983
5212993312779598 ~1985
5213083521308318 ~1985
52130832085233219
5213113312786798 ~1985
5213141312788478 ~1985
5213231104264638 ~1983
5213693729917038 ~1986
5213941312836478 ~1985
5213947212729037710 ~1989
52140591251374179 ~1986
5214119104282398 ~1983
5214179417134338 ~1985
52141979072702799 ~1988
52142594275692399 ~1987
5214367834298738 ~1986
5214719104294398 ~1983
5215127938722878 ~1986
5215271104305438 ~1983
5215333312919998 ~1985
5215433730160638 ~1986
Exp. Prime Factor Digits Year
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
52178591252286179 ~1986
5217911104358238 ~1983
5217917313075038 ~1985
5217923104358478 ~1983
5218139417451138 ~1985
5218391417471298 ~1985
52186272087450819 ~1987
5218721417497698 ~1985
52187293653110319 ~1987
726
GIMPS The Prime Pages FactorDb.com
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26-04-05