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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
19691126871575290149711 ~2005
19691569011575325520911 ~2005
1969192451393838490310 ~2004
1969193939393838787910 ~2004
19692030311969203031111 ~2005
1969213679393842735910 ~2004
1969384871393876974310 ~2004
196941217313785885211112 ~2007
1969414451393882890310 ~2004
1969435379393887075910 ~2004
196947455311029057496912 ~2007
1969514471393902894310 ~2004
1969527863393905572710 ~2004
1969691543393938308710 ~2004
1969715519393943103910 ~2004
1969826759393965351910 ~2004
1969919879393983975910 ~2004
1969922819393984563910 ~2004
1969992191393998438310 ~2004
1970111579394022315910 ~2004
1970188019394037603910 ~2004
19701981711576158536911 ~2005
1970250083394050016710 ~2004
19703557671576284613711 ~2005
1970371703394074340710 ~2004
Exponent Prime Factor Digits Year
19704095411182245724711 ~2005
19704544877881817948111 ~2007
19704667811182280068711 ~2005
19704742911576379432911 ~2005
1970488979394097795910 ~2004
19704920591970492059111 ~2005
1970577971394115594310 ~2004
19707141971182428518311 ~2005
19707328214335612206311 ~2006
19707761691576620935311 ~2005
19708450675124197174311 ~2006
1970848871394169774310 ~2004
1970854943394170988710 ~2004
1970867903394173580710 ~2004
1970890583394178116710 ~2004
1971047999394209599910 ~2004
19710857713153737233711 ~2006
19711461171182687670311 ~2005
19711566613153850657711 ~2006
1971283871394256774310 ~2004
1971316271394263254310 ~2004
19713195494336903007911 ~2006
1971342911394268582310 ~2004
1971352871394270574310 ~2004
1971463619394292723910 ~2004
Exponent Prime Factor Digits Year
19715367171182922030311 ~2005
1971691751394338350310 ~2004
1971708311394341662310 ~2004
1971865859394373171910 ~2004
1971869171394373834310 ~2004
1971909503394381900710 ~2004
1971917039394383407910 ~2004
19719508731183170523911 ~2005
1972043939394408787910 ~2004
1972190123394438024710 ~2004
1972222019394444403910 ~2004
1972298423394459684710 ~2004
1972312379394462475910 ~2004
19723194297494813830311 ~2007
1972340819394468163910 ~2004
19723518531183411111911 ~2005
1972514123394502824710 ~2004
1972521179394504235910 ~2004
1972581623394516324710 ~2004
1972765271394553054310 ~2004
1972766231394553246310 ~2004
19728079972761931195911 ~2006
19728738311972873831111 ~2005
1972881923394576384710 ~2004
1972899611394579922310 ~2004
Exponent Prime Factor Digits Year
19729097471972909747111 ~2005
1973046359394609271910 ~2004
197305223316968249203912 ~2008
19730784411183847064711 ~2005
1973115899394623179910 ~2004
19731386894340905115911 ~2006
1973455283394691056710 ~2004
1973459591394691918310 ~2004
19736203931184172235911 ~2005
1973682479394736495910 ~2004
1973705399394741079910 ~2004
19737556732763257942311 ~2006
19738088477895235388111 ~2007
1973973971394794794310 ~2004
1973988431394797686310 ~2004
19740054131184403247911 ~2005
197403823916187113559912 ~2008
1974150011394830002310 ~2004
1974188063394837612710 ~2004
1974226151394845230310 ~2004
1974274559394854911910 ~2004
1974319559394863911910 ~2004
1974429923394885984710 ~2004
19745139291579611143311 ~2005
1974568223394913644710 ~2004
3720
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25-04-13