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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
381908376381677 ~1982
3819301229158078 ~1984
38193533055482419 ~1986
3819757229185438 ~1984
3819853229191198 ~1984
3819853611176498
3819877611180338 ~1985
3819877916770498
381989976397997 ~1982
38201091222434899 ~1985
38201291528051619 ~1986
382025976405197 ~1982
3820259229215540110
38202791604517199 ~1986
382049976409997 ~1982
3820591382059118 ~1984
382076376415277 ~1982
3820847687752478 ~1985
3820963611354098 ~1985
3820987611357938 ~1985
382100376420077 ~1982
382117176423437 ~1982
3821219305697538 ~1984
3821221229273278 ~1984
382142376428477 ~1982
Exp. Prime Factor Digits Year
3821639305731138 ~1984
3821681305734498 ~1984
3821689840771598 ~1985
382177176435437 ~1982
3821801305744098 ~1984
38218932063822239 ~1986
382190376438077 ~1982
3821911687943998 ~1985
382196376439277 ~1982
38221574815917839 ~1987
3822253611560498 ~1985
3822367382236718 ~1984
3822397611583538 ~1985
3822421611587378 ~1985
3822491688048398 ~1985
3822493229349598 ~1984
38224931758346799
3822593229355598 ~1984
3822653229359198 ~1984
3822851305828098 ~1984
382309176461837 ~1982
3823097305847778 ~1984
382313976462797 ~1982
3823289305863138 ~1984
3823349535268878 ~1984
Exp. Prime Factor Digits Year
38234591529383619 ~1986
382351176470237 ~1982
3823553535297438 ~1984
3823717229423038 ~1984
3823739305899138 ~1984
382387176477437 ~1982
3823991305919298 ~1984
38241236730456499 ~1987
382423176484637 ~1982
3824323611891698 ~1985
3824461229467678 ~1984
3824477229468638 ~1984
38247294207201919 ~1987
382493976498797 ~1982
382501176500237 ~1982
382535976507197 ~1982
3825599306047938 ~1984
3825739382573918 ~1984
3825947688670478 ~1985
3826157229569438 ~1984
3826283162999655910 ~1988
3826297229577838 ~1984
3826393229583598 ~1984
3826597229595838 ~1984
38266011147980319 ~1985
Exp. Prime Factor Digits Year
382663176532637 ~1982
3826673535734238 ~1984
3826769306141538 ~1984
3826861229611678 ~1984
38268771454213279 ~1986
3826951688851198 ~1985
382700376540077 ~1982
3827297229637838 ~1984
3827297535821598
382733976546797 ~1982
3827611382761118 ~1984
382763976552797 ~1982
3827647150809291910 ~1988
382765176553037 ~1982
3827651306212098
3828061229683678 ~1984
382826376565277 ~1982
3828389918813378 ~1985
382843176568637 ~1982
38284991301689679 ~1985
3828947995526238 ~1985
38289731148691919 ~1985
382910376582077 ~1982
3829351382935118 ~1984
3829433229765998 ~1984
577
GIMPS The Prime Pages FactorDb.com
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25-05-04