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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
188435937687197 ~1980
1884437113066238 ~1981
1884563489986398 ~1983
1884679640790878 ~1983
1884713113082798 ~1981
188479137695837 ~1980
188480337696077 ~1980
1884853113091198 ~1981
1884853414667678
1885153113109198 ~1981
1885253113115198 ~1981
1885259150820738 ~1981
1885321565596318 ~1983
1885349263948878 ~1982
1885349603311698
1885363188536318 ~1982
1885391150831298 ~1981
1885439150835138 ~1981
1885501565650318 ~1983
1885607150848578 ~1981
1885613263985838 ~1982
188570337714077 ~1980
1885801414876238 ~1983
188581137716237 ~1980
1885907150872578 ~1981
Exp. Prime Factor Digits Year
1885943603501778 ~1983
188605137721037 ~1980
18860515130058739
1886107188610718 ~1982
1886113452667138 ~1983
18861735545348639 ~1985
1886347301815538 ~1982
1886413301826098 ~1982
188645937729197 ~1980
188654337730877 ~1980
1886557565967118 ~1983
1886561974597412710 ~1988
1886623792381678 ~1983
188666337733277 ~1980
188672337734477 ~1980
1886723603751378
1886743301878898 ~1982
1886777113206638 ~1981
188699937739997 ~1980
1886999603839698
188707137741437 ~1980
1887071339672798
18870713208020719
1887079452898978 ~1983
18871811811693779 ~1984
Exp. Prime Factor Digits Year
1887209150976738 ~1981
1887253113235198 ~1981
1887409905956338 ~1983
1887419150993538 ~1981
18875214077045379 ~1985
188756337751277 ~1980
1887617113257038 ~1981
1887713113262798 ~1981
188771937754397 ~1980
1887803490828798 ~1983
1887917151033378 ~1981
1887967453112098 ~1983
1888129906301938 ~1983
1888171906322098 ~1983
18882471699422319 ~1984
1888253264355438 ~1982
1888361604275538 ~1983
1888483642084238 ~1983
188855937771197 ~1980
1888759113325540110 ~1986
1888963188896318 ~1982
1888981113338878 ~1981
1889009453362178 ~1983
188903937780797 ~1980
18890511246773679 ~1984
Exp. Prime Factor Digits Year
1889131188913118 ~1982
1889221113353278 ~1981
1889311906869298 ~1983
1889351151148098 ~1981
1889351340083198
188941137788237 ~1980
1889429264520078 ~1982
188957937791597 ~1980
1889753113385198 ~1981
18897531965343139
188981937796397 ~1980
188983137796637 ~1980
1889957453589698 ~1983
1890023491405998 ~1983
1890103189010318 ~1982
1890107491427838 ~1983
1890167340230078 ~1982
1890227491459038 ~1983
189029937805997 ~1980
1890401151232098 ~1981
1890467151237378 ~1981
1890479340286238 ~1982
1890509264671278 ~1982
1890701567210318 ~1983
189122337824477 ~1980
368
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25-04-13