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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
397827532386965199 ~1992
39782819795656398 ~1990
39783011795660238 ~1990
397835779548058499 ~1993
39784523795690478 ~1990
39784571795691438 ~1990
39786023795720478 ~1990
39786431795728638 ~1990
39786899795737998 ~1990
39787103795742078 ~1990
39787439795748798 ~1990
39788363795767278 ~1990
397892932387357599 ~1992
39789419795788398 ~1990
39789611795792238 ~1990
39790403795808078 ~1990
39790631795812638 ~1990
39791231795824638 ~1990
397912495570774879 ~1992
397912997162433839 ~1993
39791663795833278 ~1990
39792743795854878 ~1990
39792839795856798 ~1990
397928877162719679 ~1993
39793079795861598 ~1990
Exponent Prime Factor Digits Year
39793283795865678 ~1990
39794063795881278 ~1990
39794123795882478 ~1990
39794159795883198 ~1990
39794291795885838 ~1990
397943179550636099 ~1993
397945393979453919 ~1992
397945493183563939 ~1992
397945492825412979111
39794819795896398 ~1990
39794831795896638 ~1990
39795383795907678 ~1990
39795611795912238 ~1990
39796271795925438 ~1990
39796331795926638 ~1990
39796703795934078 ~1990
39797819795956398 ~1990
39797963795959278 ~1990
397981332387887999 ~1992
39798299795965998 ~1990
39799163795983278 ~1990
39799283795985678 ~1990
39799619795992398 ~1990
39799751795995038 ~1990
39799871795997438 ~1990
Exponent Prime Factor Digits Year
398000172388001039 ~1992
39800303796006078 ~1990
39800759796015198 ~1990
39801059796021198 ~1990
398013893184111139 ~1992
398014735572206239 ~1992
39801491796029838 ~1990
39802211796044238 ~1990
39802271796045438 ~1990
398032077164577279 ~1993
39803303796066078 ~1990
39803479350270615310 ~1994
39803663796073278 ~1990
39804311796086238 ~1990
39804503796090078 ~1990
39804839796096798 ~1990
39805163796103278 ~1990
39805319796106398 ~1990
39805439796108798 ~1990
398054812388328879 ~1992
39806303796126078 ~1990
39806699796133998 ~1990
398067372388404239 ~1992
39807083796141678 ~1990
39808019796160398 ~1990
Exponent Prime Factor Digits Year
39808091796161838 ~1990
39808523796170478 ~1990
398089135573247839 ~1992
39809219796184398 ~1990
39809279796185598 ~1990
39810119796202398 ~1990
39810143796202878 ~1990
398102579554461699 ~1993
39810383796207678 ~1990
39811043796220878 ~1990
39811979796239598 ~1990
39812159796243198 ~1990
39812303796246078 ~1990
398124413184995299 ~1992
39812891796257838 ~1990
398136173185089379 ~1992
39813659796273198 ~1990
39813899796277998 ~1990
39814583796291678 ~1990
39815123796302478 ~1990
39816131796322638 ~1990
39817223796344478 ~1990
39817499796349998 ~1990
39817691796353838 ~1990
39817751796355038 ~1990
2140
GIMPS The Prime Pages FactorDb.com
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5.710.620 digits 		e-mail
26-07-19