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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
3159646559631929311910 ~2005
3159669323631933864710 ~2005
3159747203631949440710 ~2005
31599634972527970797711 ~2007
31600108372528008669711 ~2007
3160109831632021966310 ~2005
31601696715056271473711 ~2007
3160608383632121676710 ~2005
3160739663632147932710 ~2005
31607498115057199697711 ~2007
31607912411896474744711 ~2006
3160999559632199911910 ~2005
3161019479632203895910 ~2005
3161030819632206163910 ~2005
31610379171896622750311 ~2006
31613849211896830952711 ~2006
3161441219632288243910 ~2005
3161606711632321342310 ~2005
31616766971897006018311 ~2006
3161794271632358854310 ~2005
31619863611897191816711 ~2006
31620325672529626053711 ~2007
3162070343632414068710 ~2005
3162166211632433242310 ~2005
3162573203632514640710 ~2005
Exponent Prime Factor Digits Year
31625743971897544638311 ~2006
31625919611897555176711 ~2006
3162619571632523914310 ~2005
3162676631632535326310 ~2005
3162879683632575936710 ~2005
31628944371897736662311 ~2006
3162897431632579486310 ~2005
3162980063632596012710 ~2005
31631834771897910086311 ~2006
31631933331897915999911 ~2006
3163240043632648008710 ~2005
3163433459632686691910 ~2005
3163438391632687678310 ~2005
3163720223632744044710 ~2005
3163794563632758912710 ~2005
3163831091632766218310 ~2005
3163914119632782823910 ~2005
31639351335062296212911 ~2007
31639778812531182304911 ~2007
31642381371898542882311 ~2006
3164339903632867980710 ~2005
31647526312531802104911 ~2007
3164806679632961335910 ~2005
3164860883632972176710 ~2005
3164888483632977696710 ~2005
Exponent Prime Factor Digits Year
3164895731632979146310 ~2005
3164897999632979599910 ~2005
316504621146209674680712 ~2010
31651027012532082160911 ~2007
3165156503633031300710 ~2005
3165185099633037019910 ~2005
3165340103633068020710 ~2005
3165413123633082624710 ~2005
3165418859633083771910 ~2005
3165422531633084506310 ~2005
3165596111633119222310 ~2005
3165746891633149378310 ~2005
3165788999633157799910 ~2005
3165830819633166163910 ~2005
3165872819633174563910 ~2005
3165937331633187466310 ~2005
3165971219633194243910 ~2005
31661043171899662590311 ~2006
3166122923633224584710 ~2005
3166180271633236054310 ~2005
31663185915066109745711 ~2007
31664703313166470331111 ~2007
31665637331899938239911 ~2006
3166602623633320524710 ~2005
31666095313166609531111 ~2007
Exponent Prime Factor Digits Year
31667228771900033726311 ~2006
31667383011900042980711 ~2006
31668134771900088086311 ~2006
3166825979633365195910 ~2005
3166850891633370178310 ~2005
3166853303633370660710 ~2005
3167061479633412295910 ~2005
3167186219633437243910 ~2005
31672610175067617627311 ~2007
31674390011900463400711 ~2006
3167707883633541576710 ~2005
31680964312534477144911 ~2007
31681252374435375331911 ~2007
3168267923633653584710 ~2005
316840656710772582327912 ~2008
3168414251633682850310 ~2005
3168481091633696218310 ~2005
31684896892534791751311 ~2007
31686009971901160598311 ~2006
3168784763633756952710 ~2005
3168793223633758644710 ~2005
3168872711633774542310 ~2005
316889546922816047376912 ~2009
3168901691633780338310 ~2005
31689017092535121367311 ~2007
3890
GIMPS The Prime Pages FactorDb.com
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25-04-13