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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
39778883795577678 ~1990
39780743795614878 ~1990
397808939547414339 ~1993
397809132386854799 ~1991
39781151795623038 ~1990
397827532386965199 ~1991
39783011795660238 ~1990
397835779548058499 ~1993
39784571795691438 ~1990
39786023795720478 ~1990
39786899795737998 ~1990
397892932387357599 ~1991
39789611795792238 ~1990
39790403795808078 ~1990
39790631795812638 ~1990
397912495570774879 ~1992
397912997162433839 ~1993
39791663795833278 ~1990
39792839795856798 ~1990
39793079795861598 ~1990
39793283795865678 ~1990
39794063795881278 ~1990
39794159795883198 ~1990
397945393979453919 ~1992
397945493183563939 ~1992
Exponent Prime Factor Digits Year
39794819795896398 ~1990
39794831795896638 ~1990
39795383795907678 ~1990
39795611795912238 ~1990
39796331795926638 ~1990
39796703795934078 ~1990
39797819795956398 ~1990
397981332387887999 ~1991
39798299795965998 ~1990
39799163795983278 ~1990
39799283795985678 ~1990
398000172388001039 ~1991
398013893184111139 ~1992
398014735572206239 ~1992
398032077164577279 ~1993
39803663796073278 ~1990
39804503796090078 ~1990
398054812388328879 ~1991
39806699796133998 ~1990
398067372388404239 ~1991
39807083796141678 ~1990
39808019796160398 ~1990
39808523796170478 ~1990
398089135573247839 ~1992
39810119796202398 ~1990
Exponent Prime Factor Digits Year
39810143796202878 ~1990
398102579554461699 ~1993
39810383796207678 ~1990
39811979796239598 ~1990
39812159796243198 ~1990
398124413184995299 ~1992
398136173185089379 ~1992
39813659796273198 ~1990
39816131796322638 ~1990
39817751796355038 ~1990
39817931796358638 ~1990
39820499796409998 ~1990
398208839557011939 ~1993
398210993185687939 ~1992
39822479796449598 ~1990
398232498378811589711 ~1998
39823319796466398 ~1990
39823463796469278 ~1990
39824819796496398 ~1990
39825479796509598 ~1990
39825563796511278 ~1990
39826463796529278 ~1990
39828863796577278 ~1990
398291713982917119 ~1992
39829403796588078 ~1990
Exponent Prime Factor Digits Year
39830603796612078 ~1990
39834131796682638 ~1990
398341317170143599
39834491796689838 ~1990
39835619796712398 ~1990
39835703796714078 ~1990
398358412390150479 ~1991
398370436373926899 ~1993
398382413187059299 ~1992
398385175577392399 ~1992
39839099796781998 ~1990
39843179796863598 ~1990
398448772390692639 ~1991
39845483796909678 ~1990
39846431796928638 ~1990
39846791796935838 ~1990
398474176375586739 ~1993
398476373187810979 ~1992
398477213187817699 ~1992
398497932390987599 ~1991
39851891797037838 ~1990
39852983382588636910 ~1994
398533973188271779 ~1992
39854299159417196110 ~1994
39855383797107678 ~1990
1892
GIMPS The Prime Pages FactorDb.com
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25-03-23