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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
17880179357603598 ~1988
17880419357608398 ~1988
17881151357623038 ~1988
178811692503363679 ~1990
178813491430507939 ~1989
17881379357627598 ~1988
17881763357635278 ~1988
17881979933439303910 ~1994
178821411430571299 ~1989
178824791788247919 ~1989
178825632861210099 ~1990
17883623357672478 ~1988
178840031788400319 ~1989
17884211357684238 ~1988
17884439357688798 ~1988
178844571430756579 ~1989
17884931357698638 ~1988
178849311430794499
17885111357702238 ~1988
178856771073140639 ~1989
17885771357715438 ~1988
17885929168127732710 ~1992
17886551357731038 ~1988
17886611357732238 ~1988
17886623357732478 ~1988
Exponent Prime Factor Digits Year
178866471430931779 ~1989
178866771430934179 ~1989
178867611073205679 ~1989
17887211357744238 ~1988
17887223357744478 ~1988
17887619357752398 ~1988
17887739357754798 ~1988
17888159357763198 ~1988
178885131073310799 ~1989
17889359357787198 ~1988
17889877114495212910 ~1991
178901771073410639 ~1989
178904931073429599 ~1989
17890991357819838 ~1988
17891339357826798 ~1988
178916593220498639 ~1990
178918131073508799 ~1989
17891843357836878 ~1988
17891903357838078 ~1988
17891963357839278 ~1988
178920372862725939 ~1990
17892299357845998 ~1988
17892599357851998 ~1988
178926594294238179 ~1990
17892863357857278 ~1988
Exponent Prime Factor Digits Year
17893283357865678 ~1988
17893523357870478 ~1988
17893619357872398 ~1988
17894111357882238 ~1988
17894603357892078 ~1988
178948131073688799 ~1989
17894879357897598 ~1988
178951332863221299 ~1990
178958091431664739 ~1989
178958811073752879 ~1989
178963211073779279 ~1989
17896583357931678 ~1988
17896943357938878 ~1988
17897531357950638 ~1988
17897699357953998 ~1988
17897723357954478 ~1988
17898143357962878 ~1988
17898383357967678 ~1988
178985211431881699 ~1989
17899499357989998 ~1988
178998371073990239 ~1989
178998796085958879 ~1991
17900639358012798 ~1988
179006815370204319 ~1991
179011371432090979 ~1989
Exponent Prime Factor Digits Year
17901491358029838 ~1988
179015775370473119 ~1991
179017131074102799 ~1989
179017334296415939 ~1990
17901791358035838 ~1988
179019771432158179 ~1989
17902331358046638 ~1988
17903219358064398 ~1988
17903423358068478 ~1988
179034411074206479 ~1989
179043794297050979 ~1990
17904839358096798 ~1988
17904863358097278 ~1988
179054515729744339 ~1991
179056811074340879 ~1989
17905691358113838 ~1988
17906099358121998 ~1988
17906183358123678 ~1988
17906699358133998 ~1988
17906761300833584910 ~1992
17907203358144078 ~1988
17907299358145998 ~1988
17907419358148398 ~1988
17907563358151278 ~1988
179078094297874179 ~1990
1345
GIMPS The Prime Pages FactorDb.com
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25-05-04