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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
24963923499278478 ~1989
249640872496408719 ~1990
24964343499286878 ~1989
249644691997157539 ~1990
249646971497881839 ~1990
24964739499294798 ~1989
249652071997216579 ~1990
24965771499315438 ~1989
24965903499318078 ~1989
24965939499318798 ~1989
249664333994629299 ~1991
24966443499328878 ~1989
24967031499340638 ~1989
24967223499344478 ~1989
24967499499349998 ~1989
24967511499350238 ~1989
24967991499359838 ~1989
24968197114853706310 ~1992
24968243499364878 ~1989
24968483499369678 ~1989
249688131498128799 ~1990
24969071499381438 ~1989
249691213995059379 ~1991
24969491499389838 ~1989
24969683499393678 ~1989
Exponent Prime Factor Digits Year
249700632497006319 ~1990
24970091499401838 ~1989
24970103499402078 ~1989
24970139499402798 ~1989
24970859499417198 ~1989
249710811498264879 ~1990
24971591499431838 ~1989
249717171997737379 ~1990
249730611997844899 ~1990
24973139499462798 ~1989
24973499499469998 ~1989
249738912497389119 ~1990
24973919499478398 ~1989
24974231499484638 ~1989
249743531498461199 ~1990
24974399499487998 ~1989
249744711997957699 ~1990
24974591499491838 ~1989
24974903499498078 ~1989
24975059499501198 ~1989
249750773496510799 ~1991
24976103499522078 ~1989
24976463499529278 ~1989
24976943499538878 ~1989
249771711998173699 ~1990
Exponent Prime Factor Digits Year
24977339499546798 ~1989
24978539499570798 ~1989
24978659499573198 ~1989
24978911499578238 ~1989
24979079499581598 ~1989
249791091998328739 ~1990
24980303499606078 ~1989
249807078493440399 ~1992
24981119499622398 ~1989
24981263499625278 ~1989
249813798493668879 ~1992
24981479499629598 ~1989
24981851499637038 ~1989
24982631499652638 ~1989
24982679499653598 ~1989
24983363499667278 ~1989
249842411499054479 ~1990
24984779499695598 ~1989
24985043499700878 ~1989
249850493497906879 ~1991
24985403499708078 ~1989
24986459499729198 ~1989
24986519499730398 ~1989
24986723499734478 ~1989
249869531499217199 ~1990
Exponent Prime Factor Digits Year
24987359499747198 ~1989
249873831879051201711 ~1995
249874394497739039 ~1991
249876079995042819 ~1992
249878811499272879 ~1990
24987899499757998 ~1989
24987971499759438 ~1989
24988091499761838 ~1989
249880995997143779 ~1991
24988559499771198 ~1989
24988571499771438 ~1989
249886273998180339 ~1991
24988871499777438 ~1989
249889611999116899 ~1990
24990071499801438 ~1989
249901512499015119 ~1990
249907039996281219 ~1992
24991091499821838 ~1989
249913671999309379 ~1990
24991619499832398 ~1989
24991679499833598 ~1989
24991979499839598 ~1989
249920592499205919 ~1990
24992183499843678 ~1989
24992351499847038 ~1989
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24-10-27