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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
553636311107272639 ~1991
553639373321836239 ~1993
553647231107294479 ~1991
553653711107307439 ~1991
553671711107343439 ~1991
553675791107351599 ~1991
553696311107392639 ~1991
553733991107467999 ~1991
553740013322440079 ~1993
553745031107490079 ~1991
553748813322492879 ~1993
553750373322502239 ~1993
553770111107540239 ~1991
553773173322639039 ~1993
553803711107607439 ~1991
553813791107627599 ~1991
553821773322930639 ~1993
553822791107645599 ~1991
553823333322939999 ~1993
553824195538241919 ~1993
553850511107701039 ~1991
553875831107751679 ~1991
553889533323337199 ~1993
553901031107802079 ~1991
553916631107833279 ~1991
Exponent Prime Factor Digits Year
553925031107850079 ~1991
553933191107866399 ~1991
553946391107892799 ~1991
553947231107894479 ~1991
554000533324003199 ~1993
554000991108001999 ~1991
554004591108009199 ~1991
554016013324096079 ~1993
55402511277012555110 ~1995
554048511108097039 ~1991
554064231108128479 ~1991
554073111108146239 ~1991
554112591108225199 ~1991
554127231108254479 ~1991
554133594433068739 ~1993
554142231108284479 ~1991
554146311108292639 ~1991
554153511108307039 ~1991
554154711108309439 ~1991
554160831108321679 ~1991
554171391108342799 ~1991
554173911108347839 ~1991
554177511108355039 ~1991
554187711108375439 ~1991
554188431108376879 ~1991
Exponent Prime Factor Digits Year
554195838867133299 ~1994
554222391108444799 ~1991
554223591108447199 ~1991
554225511108451039 ~1991
554225933325355599 ~1993
554252031108504079 ~1991
554255991108511999 ~1991
554262231108524479 ~1991
554263791108527599 ~1991
55426967144110114310 ~1994
554272311108544639 ~1991
55427791232796722310 ~1995
554280711108561439 ~1991
554282391108564799 ~1991
554288813325732879 ~1993
554303511108607039 ~1991
554310111108620239 ~1991
554314191108628399 ~1991
554316373325898239 ~1993
554333031108666079 ~1991
554341933326051599 ~1993
554343831108687679 ~1991
554344431108688879 ~1991
554345511108691039 ~1991
554347191108694399 ~1991
Exponent Prime Factor Digits Year
554348031108696079 ~1991
554350194434801539 ~1993
554351991108703999 ~1991
554354631108709279 ~1991
554362191108724399 ~1991
554364111108728239 ~1991
554368399978631039 ~1994
554385111108770239 ~1991
554388111108776239 ~1991
554392311108784639 ~1991
554398494435187939 ~1993
554426031108852079 ~1991
554428191108856399 ~1991
554465511108931039 ~1991
554469711108939439 ~1991
554477511108955039 ~1991
554483031108966079 ~1991
554492631108985279 ~1991
554521014436168099 ~1993
554528773327172639 ~1993
554530431109060879 ~1991
554542911109085839 ~1991
554556111109112239 ~1991
554558391109116799 ~1991
554566191109132399 ~1991
2143
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25-07-08