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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
2555356403511071280710 ~2005
2555379551511075910310 ~2005
2555459591511091918310 ~2005
25554775973577668635911 ~2007
25555108334088817332911 ~2007
2555517203511103440710 ~2005
2555542091511108418310 ~2005
2555574503511114900710 ~2005
2555575499511115099910 ~2005
25555972272555597227111 ~2006
25556058411533363504711 ~2006
2555743691511148738310 ~2005
2555743919511148783910 ~2005
2555828963511165792710 ~2005
25558667771533520066311 ~2006
2555897219511179443910 ~2005
2556128051511225610310 ~2005
2556176123511235224710 ~2005
2556195203511239040710 ~2005
2556453023511290604710 ~2005
25564548198691946384711 ~2008
2556509771511301954310 ~2005
2556656423511331284710 ~2005
2556662099511332419910 ~2005
2556707771511341554310 ~2005
Exponent Prime Factor Digits Year
2556765119511353023910 ~2005
2556777539511355507910 ~2005
25569595211534175712711 ~2006
2557025423511405084710 ~2005
25570330696136879365711 ~2007
2557240331511448066310 ~2005
25573611171534416670311 ~2006
255736186910229447476112 ~2008
2557470959511494191910 ~2005
25574712432557471243111 ~2006
25575826392557582639111 ~2006
25577171596138521181711 ~2007
2557746491511549298310 ~2005
2557784819511556963910 ~2005
2557793519511558703910 ~2005
2557843979511568795910 ~2005
2557974719511594943910 ~2005
25580167492046413399311 ~2006
25581607331534896439911 ~2006
2558412911511682582310 ~2005
2558627003511725400710 ~2005
2558670503511734100710 ~2005
2558687783511737556710 ~2005
2558724191511744838310 ~2005
25587628274094020523311 ~2007
Exponent Prime Factor Digits Year
2558876231511775246310 ~2005
2558920439511784087910 ~2005
2558955491511791098310 ~2005
25589865893582581224711 ~2007
2558999603511799920710 ~2005
2559059999511811999910 ~2005
2559089231511817846310 ~2005
2559099083511819816710 ~2005
25591500792559150079111 ~2006
25592419076142180576911 ~2007
2559308399511861679910 ~2005
2559497663511899532710 ~2005
2559553739511910747910 ~2005
2559570659511914131910 ~2005
255973683110750894690312 ~2008
2559804011511960802310 ~2005
2559822299511964459910 ~2005
2559962231511992446310 ~2005
2559973931511994786310 ~2005
25599856012047988480911 ~2006
2560070651512014130310 ~2005
2560224143512044828710 ~2005
2560240979512048195910 ~2005
25602656411536159384711 ~2006
2560270859512054171910 ~2005
Exponent Prime Factor Digits Year
2560294199512058839910 ~2005
2560370639512074127910 ~2005
2560403519512080703910 ~2005
2560422503512084500710 ~2005
25604524571536271474311 ~2006
2560563143512112628710 ~2005
2560602899512120579910 ~2005
25606166092048493287311 ~2006
2560652603512130520710 ~2005
2560832003512166400710 ~2005
256093349326121521628712 ~2009
2560939943512187988710 ~2005
2561113283512222656710 ~2005
25612864011536771840711 ~2006
25613095194610357134311 ~2007
2561371751512274350310 ~2005
25613855514610493991911 ~2007
2561473991512294798310 ~2005
2561506763512301352710 ~2005
2561571539512314307910 ~2005
2561602919512320583910 ~2005
2561640899512328179910 ~2005
2561643263512328652710 ~2005
2561752079512350415910 ~2005
2561759339512351867910 ~2005
4520
GIMPS The Prime Pages FactorDb.com
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26-08-30