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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
39797963795959278 ~1990
397981332387887999 ~1992
39798299795965998 ~1990
39799163795983278 ~1990
39799283795985678 ~1990
39799619795992398 ~1990
39799751795995038 ~1990
39799871795997438 ~1990
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
Exponent Prime Factor Digits Year
39805319796106398 ~1990
39805439796108798 ~1990
398054812388328879 ~1992
39806303796126078 ~1990
39806699796133998 ~1990
398067372388404239 ~1992
39807083796141678 ~1990
39808019796160398 ~1990
39808091796161838 ~1990
398083612388501679 ~1992
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
Exponent Prime Factor Digits Year
39813659796273198 ~1990
39813899796277998 ~1990
39814583796291678 ~1990
39815123796302478 ~1990
39816131796322638 ~1990
39817223796344478 ~1990
39817499796349998 ~1990
39817691796353838 ~1990
39817751796355038 ~1990
39817931796358638 ~1990
39818111796362238 ~1990
39818459796369198 ~1990
39818951796379038 ~1990
39819119796382398 ~1990
39820211796404238 ~1990
39820499796409998 ~1990
39820883796417678 ~1990
398208839557011939
398210993185687939 ~1992
39822311796446238 ~1990
39822479796449598 ~1990
39822743796454878 ~1990
39822851796457038 ~1990
398232498378811589711 ~1998
39823319796466398 ~1990
Exponent Prime Factor Digits Year
39823463796469278 ~1990
39823739796474798 ~1990
39823859796477198 ~1990
39824159796483198 ~1990
39824819796496398 ~1990
398252631919577676711 ~1996
39825479796509598 ~1990
39825563796511278 ~1990
39826043796520878 ~1990
398262532389575199 ~1992
39826331796526638 ~1990
39826463796529278 ~1990
398266513982665119 ~1992
39827351796547038 ~1990
39827519796550398 ~1990
39828251796565038 ~1990
39828863796577278 ~1990
398291713982917119 ~1992
39829403796588078 ~1990
39830363796607278 ~1990
39830603796612078 ~1990
39831251796625038 ~1990
398327877169901679 ~1993
39832811796656238 ~1990
39833411796668238 ~1990
2154
GIMPS The Prime Pages FactorDb.com
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26-08-30