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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
441512388302477 ~1983
4415273618138238 ~1985
441559188311837 ~1983
4416079441607918 ~1985
4416101264966078 ~1984
44161311854775039 ~1986
4416301971586238 ~1985
4416371353309698 ~1984
4416541264992478 ~1984
44165515388192239 ~1987
441662388332477 ~1983
4416757265005438 ~1984
44169471060067299 ~1986
4416977265018638 ~1984
441704388340877 ~1983
4417111441711118 ~1985
441715188343037 ~1983
4417151353372098
4417169353373538 ~1984
4417169618403678
4417199353375938 ~1984
44173071060153699 ~1986
441737988347597 ~1983
4417411441741118 ~1985
4417487795147678 ~1985
Exp. Prime Factor Digits Year
441749988349997 ~1983
4417793265067598 ~1984
4418077265084638 ~1984
4418107706897138 ~1985
4418131441813118 ~1985
4418539441853918 ~1985
4418719795369438 ~1985
4418807353504578 ~1984
4418807795385278
4419097265145838 ~1984
4419101140527411910 ~1988
4419131353530498 ~1984
4419179795452238 ~1985
441947988389597 ~1983
4419557265173438 ~1984
4419601265176078 ~1984
441967188393437 ~1983
4419673265180398 ~1984
441968388393677 ~1983
4419713265182798 ~1984
441985188397037 ~1983
4420037265202238 ~1984
4420373265222398 ~1984
442037988407597 ~1983
4420421265225278 ~1984
Exp. Prime Factor Digits Year
442046388409277 ~1983
44204631060911139
4420517265231038 ~1984
4420517618872398
442058388411677 ~1983
442085988417197 ~1983
4420859353668738
442115988423197 ~1983
44212991061111779 ~1986
4421567353725378 ~1984
4421633265297998 ~1984
4421693265301598 ~1984
442172388434477 ~1983
4421797113198003310 ~1988
4421831353746498 ~1984
4422017619082398 ~1985
4422139442213918 ~1985
4422599796067838 ~1985
442262388452477 ~1983
4422809619193278 ~1985
442303188460637 ~1983
4423037265382238 ~1984
44232491061579779 ~1986
442327188465437 ~1983
442337988467597 ~1983
Exp. Prime Factor Digits Year
442340388468077 ~1983
4423493265409598 ~1984
442351188470237 ~1983
4423619353889538 ~1984
442366755123314487112 ~1995
4423673265420398 ~1984
442369188473837 ~1983
442382388476477 ~1983
4423841265430478 ~1984
442387188477437 ~1983
44238771046689298311 ~1990
44238971769558819 ~1986
44242131061811139 ~1986
442453188490637 ~1983
4424687353974978 ~1984
44248031504433039 ~1986
4424857265491438 ~1984
442493988498797 ~1983
442495188499037 ~1983
4424969619495678 ~1985
4425011354000898 ~1984
4425257265515438 ~1984
4425437354034978 ~1984
4425521354041698 ~1984
4425571796602798 ~1985
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25-06-01