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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
19672125318262292630311 ~2007
1967212811393442562310 ~2004
1967234651393446930310 ~2004
1967239811393447962310 ~2004
1967253059393450611910 ~2004
1967347379393469475910 ~2004
19673833331180429999911 ~2005
19675153071574012245711 ~2005
1967522003393504400710 ~2004
1967547551393509510310 ~2004
1967656643393531328710 ~2004
1967741579393548315910 ~2004
1967747231393549446310 ~2004
19678333971180700038311 ~2005
19678597211180715832711 ~2005
1967876843393575368710 ~2004
1967923091393584618310 ~2004
1967966051393593210310 ~2004
1967996879393599375910 ~2004
19680047331180802839911 ~2005
1968102599393620519910 ~2004
1968104003393620800710 ~2004
1968142031393628406310 ~2004
1968143759393628751910 ~2004
1968264443393652888710 ~2004
Exponent Prime Factor Digits Year
1968311363393662272710 ~2004
19683131871574650549711 ~2005
1968342023393668404710 ~2004
19684068411181044104711 ~2005
19684109331181046559911 ~2005
1968438599393687719910 ~2004
1968454679393690935910 ~2004
1968601031393720206310 ~2004
19686134634724672311311 ~2006
1968722831393744566310 ~2004
19687655531181259331911 ~2005
1968811583393762316710 ~2004
1968852239393770447910 ~2004
1968885683393777136710 ~2004
1968984431393796886310 ~2004
19691126871575290149711 ~2005
19691569011575325520911 ~2005
1969192451393838490310 ~2004
1969193939393838787910 ~2004
19692030311969203031111 ~2005
1969213679393842735910 ~2004
19692961371181577682311 ~2005
1969384871393876974310 ~2004
196941217313785885211112 ~2007
1969414451393882890310 ~2004
Exponent Prime Factor Digits Year
1969435379393887075910 ~2004
196947455311029057496912 ~2007
1969514471393902894310 ~2004
1969527863393905572710 ~2004
19695344811181720688711 ~2005
1969691543393938308710 ~2004
1969715519393943103910 ~2004
1969826759393965351910 ~2004
1969892159393978431910 ~2004
1969919879393983975910 ~2004
1969922819393984563910 ~2004
1969962971393992594310 ~2004
1969992191393998438310 ~2004
1970111579394022315910 ~2004
1970136131394027226310 ~2004
1970188019394037603910 ~2004
19701981711576158536911 ~2005
1970250083394050016710 ~2004
19703557671576284613711 ~2005
1970371703394074340710 ~2004
19704095411182245724711 ~2005
19704544877881817948111 ~2007
19704667811182280068711 ~2005
19704742911576379432911 ~2005
1970480579394096115910 ~2004
Exponent Prime Factor Digits Year
1970488979394097795910 ~2004
19704920591970492059111 ~2005
1970538743394107748710 ~2004
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
1971414779394282955910 ~2004
1971463619394292723910 ~2004
19715367171182922030311 ~2005
1971691751394338350310 ~2004
4177
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26-03-15