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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
669469013401681407910 ~2001
669483539133896707910 ~2000
669491183133898236710 ~2000
669494363133898872710 ~2000
669506483133901296710 ~2000
669524939133904987910 ~2000
669534083133906816710 ~2000
669544279669544279110 ~2002
669544703133908940710 ~2000
669546541401727924710 ~2001
669550859133910171910 ~2000
669553499133910699910 ~2000
669569471535655576910 ~2001
669593333401755999910 ~2001
669603659133920731910 ~2000
669642419133928483910 ~2000
6696455511741078432711 ~2003
669652517937513523910 ~2002
669661511133932302310 ~2000
669661763133932352710 ~2000
669681899133936379910 ~2000
669700093401820055910 ~2001
669734291535787432910 ~2001
669783311133956662310 ~2000
6697967032143349449711 ~2003
Exponent Prime Factor Digits Year
669797783133959556710 ~2000
669820577401892346310 ~2001
669825311133965062310 ~2000
669849101535879280910 ~2001
669869713401921827910 ~2001
669900659133980131910 ~2000
669903191133980638310 ~2000
669909203133981840710 ~2000
669915929535932743310 ~2001
669918191133983638310 ~2000
6699454271071912683311 ~2002
669949859133989971910 ~2000
669957311133991462310 ~2000
669984851133996970310 ~2000
669991559133998311910 ~2000
670006223134001244710 ~2000
670028459134005691910 ~2000
670035491134007098310 ~2000
670099553402059731910 ~2001
670102883134020576710 ~2000
670148123134029624710 ~2000
670148879134029775910 ~2000
670175711134035142310 ~2000
670192811134038562310 ~2000
670198019536158415310 ~2001
Exponent Prime Factor Digits Year
670204091134040818310 ~2000
670229797402137878310 ~2001
670232219134046443910 ~2000
670246079134049215910 ~2000
670250759536200607310 ~2001
670256963134051392710 ~2000
670277501402166500710 ~2001
670285079134057015910 ~2000
670287851134057570310 ~2000
670308731134061746310 ~2000
670312199134062439910 ~2000
670343819134068763910 ~2000
670349077402209446310 ~2001
670366283134073256710 ~2000
670382939134076587910 ~2000
670415699134083139910 ~2000
670435943134087188710 ~2000
670452911134090582310 ~2000
6704599978581887961711 ~2004
670499591134099918310 ~2000
670499897536399917710 ~2001
670501751536401400910 ~2001
6705090431072814468911 ~2002
670539923134107984710 ~2000
670558919134111783910 ~2000
Exponent Prime Factor Digits Year
670564199536451359310 ~2001
670564871134112974310 ~2000
670575611134115122310 ~2000
670599131134119826310 ~2000
6706256891609501653711 ~2003
670628891134125778310 ~2000
670632299134126459910 ~2000
6706481291475425883911 ~2002
670661423134132284710 ~2000
670668599134133719910 ~2000
670668811670668811110 ~2002
670683803134136760710 ~2000
670690019134138003910 ~2000
670703963134140792710 ~2000
670707431134141486310 ~2000
670727951134145590310 ~2000
670741763134148352710 ~2000
670753043134150608710 ~2000
670773503134154700710 ~2000
670778159134155631910 ~2000
670788263134157652710 ~2000
670792931134158586310 ~2000
670795523134159104710 ~2000
670813237402487942310 ~2001
670817351134163470310 ~2000
3319
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25-05-04