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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
774869297464921578310 ~2002
774872299774872299110 ~2002
774879491619903592910 ~2002
7748860812324658243111 ~2003
774904631154980926310 ~2000
774934991154986998310 ~2000
774950591154990118310 ~2000
7749527999299433588111 ~2005
7749688931859925343311 ~2003
774990719154998143910 ~2000
77500337330380132221712 ~2006
775004039155000807910 ~2000
775010927620008741710 ~2002
775022317465013390310 ~2002
775029071155005814310 ~2000
775036523155007304710 ~2000
775040459155008091910 ~2000
775042871155008574310 ~2000
775067141465040284710 ~2002
775072163155014432710 ~2000
7750790876975711783111 ~2005
7750803791860192909711 ~2003
775109317465065590310 ~2002
775115063155023012710 ~2000
775116359620093087310 ~2002
Exponent Prime Factor Digits Year
775134443155026888710 ~2000
775140251155028050310 ~2000
775146623155029324710 ~2000
775155827620124661710 ~2002
775158731155031746310 ~2000
775171979155034395910 ~2000
775189621465113772710 ~2002
775189643155037928710 ~2000
775191071155038214310 ~2000
775193101465115860710 ~2002
775203563155040712710 ~2000
775207481465124488710 ~2002
775213619155042723910 ~2000
775214971775214971110 ~2002
775217123155043424710 ~2000
775227851155045570310 ~2000
775234093465140455910 ~2002
775264739155052947910 ~2000
775282559155056511910 ~2000
775289759155057951910 ~2000
775306019155061203910 ~2000
775369183775369183110 ~2002
775379183155075836710 ~2000
7754167992636417116711 ~2003
775490843155098168710 ~2000
Exponent Prime Factor Digits Year
775494911155098982310 ~2000
775500431155100086310 ~2000
7755014231861203415311 ~2003
775515791155103158310 ~2000
775526651155105330310 ~2000
775571591155114318310 ~2000
775612223155122444710 ~2000
775660271155132054310 ~2000
775662851155132570310 ~2000
775670663155134132710 ~2000
7756965831861671799311 ~2003
775722113465433267910 ~2002
775739759155147951910 ~2000
775740521620592416910 ~2002
775752179155150435910 ~2000
775755479155151095910 ~2000
775755863155151172710 ~2000
775771039775771039110 ~2002
775793591155158718310 ~2000
775809623155161924710 ~2000
775818419155163683910 ~2000
775819619155163923910 ~2000
775864571155172914310 ~2000
775865063155173012710 ~2000
775904399155180879910 ~2000
Exponent Prime Factor Digits Year
775945931155189186310 ~2000
775962683155192536710 ~2000
775981523155196304710 ~2000
77599384757268345908712 ~2007
775999319155199863910 ~2000
7760205431241632868911 ~2003
776033759155206751910 ~2000
776050211155210042310 ~2000
776060171155212034310 ~2000
776081051155216210310 ~2000
776095511155219102310 ~2000
776117399155223479910 ~2000
7761264111397027539911 ~2003
776172437465703462310 ~2002
776203331620962664910 ~2002
776213519155242703910 ~2000
776252471621001976910 ~2002
776265913465759547910 ~2002
776274071155254814310 ~2000
776274841465764904710 ~2002
7762978672018374454311 ~2003
776308199155261639910 ~2000
776313119155262623910 ~2000
776320847621056677710 ~2002
776384641465830784710 ~2002
3887
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26-07-05