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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
45518339910366798 ~1991
45518351910367038 ~1991
45519059910381198 ~1991
455193437283094899 ~1993
455230812731384879 ~1992
45523091218510836910 ~1994
45523559910471198 ~1991
455235732731414399 ~1992
45523669100152071910 ~1993
455275976373863599 ~1993
455303332731819999 ~1992
45532439910648798 ~1991
455339772732038639 ~1992
45534479910689598 ~1991
455370718196672799 ~1993
455371372732228239 ~1992
45537463191257344710 ~1994
45537599910751998 ~1991
455393572732361439 ~1992
455405714554057119 ~1992
45540623910812478 ~1991
455408114554081119 ~1992
45542663910853278 ~1991
45543983910879678 ~1991
45544571910891438 ~1991
Exponent Prime Factor Digits Year
455446994554469919 ~1993
455473932732843599 ~1992
455474932732849599 ~1992
45547763910955278 ~1991
45548939910978798 ~1991
455494372732966239 ~1992
455496972732981839 ~1992
45550031911000638 ~1991
45551171911023438 ~1991
455518972733113839 ~1992
455556412733338479 ~1992
45555803911116078 ~1991
45558203911164078 ~1991
45559499911189998 ~1991
455611212733667279 ~1992
455612532733675199 ~1992
45561671911233438 ~1991
45561839911236798 ~1991
455630474556304719 ~1993
45565301355409347910 ~1995
45566039911320798 ~1991
45566159911323198 ~1991
45568511911370238 ~1991
45569663911393278 ~1991
45570491911409838 ~1991
Exponent Prime Factor Digits Year
45571439911428798 ~1991
455714393645715139
45571549537744278310 ~1995
45572509246091548710 ~1994
45573023911460478 ~1991
455730893645847139 ~1992
45574031911480638 ~1991
45574643911492878 ~1991
455763536380689439 ~1993
45577079911541598 ~1991
45578231911564638 ~1991
455788493646307939 ~1992
455808972734853839 ~1992
45581531911630638 ~1991
45581771911635438 ~1991
45582599911651998 ~1991
45583199911663998 ~1991
45585131911702638 ~1991
45585983911719678 ~1991
45589259911785198 ~1991
455892776382498799 ~1993
45589283911785678 ~1991
455894572735367439 ~1992
45590819911816398 ~1991
455918532735511199 ~1992
Exponent Prime Factor Digits Year
45591863911837278 ~1991
45592499911849998 ~1991
455927114559271119 ~1993
45592931911858638 ~1991
45594191446823071910 ~1995
455944034559440319 ~1993
45594599911891998 ~1991
455953313647626499 ~1992
45596459911929198 ~1991
45597011911940238 ~1991
45597551911951038 ~1991
45598379911967598 ~1991
45599051911981038 ~1991
45599759519837252710 ~1995
45600371912007438 ~1991
45600563912011278 ~1991
456010972736065839 ~1992
45601393109443343310 ~1993
45603599912071998 ~1991
456058372736350239 ~1992
45606839912136798 ~1991
456080813648646499 ~1992
45608411912168238 ~1991
45609191912183838 ~1991
45610919912218398 ~1991
1981
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25-04-13