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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
1958029943391605988710 ~2004
1958088131391617626310 ~2004
19581327411174879644711 ~2005
1958151743391630348710 ~2004
1958212499391642499910 ~2004
19582434591566594767311 ~2005
19582957011566636560911 ~2005
1958353931391670786310 ~2004
1958357339391671467910 ~2004
1958489891391697978310 ~2004
1958584319391716863910 ~2004
1958626991391725398310 ~2004
1958632139391726427910 ~2004
1958707631391741526310 ~2004
1958714171391742834310 ~2004
1958731919391746383910 ~2004
19587703971567016317711 ~2005
19588318933134131028911 ~2006
1958878319391775663910 ~2004
19589017935876705379111 ~2006
1958904971391780994310 ~2004
1958906639391781327910 ~2004
1958908571391781714310 ~2004
19589096391567127711311 ~2005
19590116694701628005711 ~2006
Exponent Prime Factor Digits Year
1959036251391807250310 ~2004
19590740571567259245711 ~2005
1959085391391817078310 ~2004
19591117671567289413711 ~2005
1959138911391827782310 ~2004
1959155183391831036710 ~2004
19592475611175548536711 ~2005
1959270563391854112710 ~2004
1959281459391856291910 ~2004
1959350051391870010310 ~2004
1959354263391870852710 ~2004
1959532031391906406310 ~2004
1959603143391920628710 ~2004
19596227811175773668711 ~2005
19596422332743499126311 ~2006
1959705623391941124710 ~2004
1959729659391945931910 ~2004
1959734963391946992710 ~2004
19597632193527573794311 ~2006
1959825551391965110310 ~2004
19598359371175901562311 ~2005
1959860891391972178310 ~2004
19598718911959871891111 ~2005
1959919163391983832710 ~2004
19599603291567968263311 ~2005
Exponent Prime Factor Digits Year
19599653171175979190311 ~2005
1960009739392001947910 ~2004
1960094459392018891910 ~2004
1960099811392019962310 ~2004
19602053699408985771311 ~2007
19602247134704539311311 ~2006
1960263719392052743910 ~2004
1960321691392064338310 ~2004
1960342211392068442310 ~2004
1960385879392077175910 ~2004
19604311671568344933711 ~2005
19604941611568395328911 ~2005
1960496243392099248710 ~2004
19605379799802689895111 ~2007
19605860871568468869711 ~2005
1960603811392120762310 ~2004
1960605371392121074310 ~2004
19606588371176395302311 ~2005
1960664939392132987910 ~2004
19607093931176425635911 ~2005
1960756331392151266310 ~2004
19607690591960769059111 ~2005
19608834431960883443111 ~2005
19608960379020121770311 ~2007
1960898171392179634310 ~2004
Exponent Prime Factor Digits Year
1960981751392196350310 ~2004
19609969491568797559311 ~2005
1961000819392200163910 ~2004
1961014019392202803910 ~2004
19610239634706457511311 ~2006
1961075999392215199910 ~2004
1961084399392216879910 ~2004
1961112431392222486310 ~2004
19611177892745564904711 ~2006
19611609797844643916111 ~2007
1961299283392259856710 ~2004
1961322179392264435910 ~2004
1961351459392270291910 ~2004
19613790531176827431911 ~2005
1961480243392296048710 ~2004
1961571611392314322310 ~2004
1961580779392316155910 ~2004
1961621339392324267910 ~2004
19616815211177008912711 ~2005
1961686043392337208710 ~2004
1961722799392344559910 ~2004
196175248717655772383112 ~2008
1961768999392353799910 ~2004
19619053071569524245711 ~2005
1961958959392391791910 ~2004
4165
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26-03-08