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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
4039721998079443999 ~1998
4039823638079647279 ~1998
4039845718079691439 ~1998
4040051398080102799 ~1998
4040058838080117679 ~1998
4040062318080124639 ~1998
4040271718080543439 ~1998
4040371318080742639 ~1998
404052491323241992910 ~2000
4040710918081421839 ~1998
404074591404074591110 ~2000
4040751238081502479 ~1998
4040947918081895839 ~1998
4041061798082123599 ~1998
4041361438082722879 ~1998
4041405718082811439 ~1998
4041546838083093679 ~1998
4041842518083685039 ~1998
404186617646698587310 ~2000
4041935638083871279 ~1998
404199163404199163110 ~2000
4042152118084304239 ~1998
4042218598084437199 ~1998
4042383718084767439 ~1998
404249597242549758310 ~1999
Exponent Prime Factor Digits Year
4042557598085115199 ~1998
4042662838085325679 ~1998
4042679998085359999 ~1998
4042697638085395279 ~1998
404272039727689670310 ~2001
4042838398085676799 ~1998
4043014318086028639 ~1998
404309671727757407910 ~2001
4043147638086295279 ~1998
4043220071940745633711 ~2002
4043249518086499039 ~1998
404329573646927316910 ~2000
4043443318086886639 ~1998
4043453518086907039 ~1998
4043503798087007599 ~1998
404354429566096200710 ~2000
4043726038087452079 ~1998
4043797438087594879 ~1998
4043810398087620799 ~1998
4043876038087752079 ~1998
4043981038087962079 ~1998
404407877242644726310 ~1999
4044101518088203039 ~1998
4044121992345590754311 ~2002
4044153118088306239 ~1998
Exponent Prime Factor Digits Year
404418947323535157710 ~2000
4044357238088714479 ~1998
4044359038088718079 ~1998
404444021242666412710 ~1999
4044496918088993839 ~1998
4044506398089012799 ~1998
4044830638089661279 ~1998
404484551323587640910 ~2000
4044962998089925999 ~1998
4045045918090091839 ~1998
4045355038090710079 ~1998
404535917323628733710 ~2000
4045458718090917439 ~1998
4045486918090973839 ~1998
4045529038091058079 ~1998
4045552198091104399 ~1998
4045571998091143999 ~1998
4045582438091164879 ~1998
4045599238091198479 ~1998
404585231728253415910 ~2001
404600657242760394310 ~1999
4046074918092149839 ~1998
4046247238092494479 ~1998
4046274238092548479 ~1998
4046318038092636079 ~1998
Exponent Prime Factor Digits Year
4046437492913434992911 ~2002
4046467798092935599 ~1998
404650483647440772910 ~2000
4046513638093027279 ~1998
4046608211942371940911 ~2002
4046895838093791679 ~1998
4046929438093858879 ~1998
4046943598093887199 ~1998
4047003118094006239 ~1998
4047109198094218399 ~1998
404732401242839440710 ~1999
4047345598094691199 ~1998
404738813566634338310 ~2000
404741153242844691910 ~1999
404750713242850427910 ~1999
404752717242851630310 ~1999
4047736798095473599 ~1998
404774753971459407310 ~2001
4047817438095634879 ~1998
4047890398095780799 ~1998
4047977518095955039 ~1998
404799917323839933710 ~2000
4048055398096110799 ~1998
4048060438096120879 ~1998
4048154038096308079 ~1998
3138
GIMPS The Prime Pages FactorDb.com
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25-06-08