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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
41812679836253598 ~1991
41812943836258878 ~1991
41813279836265598 ~1991
41813363836267278 ~1991
41814263836285278 ~1991
418144816690316979 ~1993
41814803836296078 ~1991
41816471836329438 ~1991
41816759836335198 ~1991
41817563836351278 ~1991
418180372509082239 ~1992
418193812509162879 ~1992
41819471836389438 ~1991
418213493345707939 ~1992
41821931836438638 ~1991
418219932509319599 ~1992
418228634182286319 ~1992
41824379836487598 ~1991
41824691836493838 ~1991
41826203836524078 ~1991
418262093346096739 ~1992
418269772509618639 ~1992
41827139836542798 ~1991
41827619836552398 ~1991
418295335856134639 ~1993
Exponent Prime Factor Digits Year
418301335856218639 ~1993
41830403836608078 ~1991
41830991836619838 ~1991
41831243836624878 ~1991
41831759836635198 ~1991
41832071836641438 ~1991
41832683836653678 ~1991
41832839836656798 ~1991
41833223836664478 ~1991
418355812510134879 ~1992
418365473346923779 ~1992
41837651836753038 ~1991
418377736694043699 ~1993
41838539836770798 ~1991
41839151836783038 ~1991
418402874184028719 ~1992
41840339836806798 ~1991
41840891836817838 ~1991
418417197531509439 ~1993
418441332510647999 ~1992
41844623836892478 ~1991
418462132510772799 ~1992
41846663836933278 ~1991
41846879836937598 ~1991
418469772510818639 ~1992
Exponent Prime Factor Digits Year
418471634184716319 ~1992
41849579836991598 ~1991
41850491837009838 ~1991
41851151837023038 ~1991
41852171837043438 ~1991
41852819837056398 ~1991
418538172511229039 ~1992
41854679837093598 ~1991
41854811837096238 ~1991
41855269167421076110 ~1994
418558612511351679 ~1992
41856263837125278 ~1991
418568093348544739 ~1992
41857499837149998 ~1991
41858639837172798 ~1991
41859739200926747310 ~1994
418605732511634399 ~1992
41861003837220078 ~1991
41861159837223198 ~1991
41861243837224878 ~1991
418626413349011299 ~1992
41862791837255838 ~1991
41863271837265438 ~1991
418634332511805999 ~1992
41863463837269278 ~1991
Exponent Prime Factor Digits Year
41863883837277678 ~1991
41865443837308878 ~1991
41866271837325438 ~1991
41866619837332398 ~1991
41866703711733951110 ~1995
418676273349410179 ~1992
418684276698948339 ~1993
41868803837376078 ~1991
41868839837376798 ~1991
41869319837386398 ~1991
41870891837417838 ~1991
41871299837425998 ~1991
418727573349820579 ~1992
41872871837457438 ~1991
418736093349888739 ~1992
41874359837487198 ~1991
41874671837493438 ~1991
418756516700104179 ~1993
41875763837515278 ~1991
418781212512687279 ~1992
41878379837567598 ~1991
41879231837584638 ~1991
41879963837599278 ~1991
41880203837604078 ~1991
41881571837631438 ~1991
1979
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25-07-08