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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
669402299371632079 ~1994
669406311124602600911 ~1997
669413534016481199 ~1993
669421191338842399 ~1992
669444111338888239 ~1992
669452116694521119 ~1994
669454911338909839 ~1992
669455099372371279 ~1994
669471174016827039 ~1993
669481996694819919 ~1994
669483831338967679 ~1992
669501895356015139 ~1994
669508374017050239 ~1993
669511191339022399 ~1992
669512391339024799 ~1992
669513231339026479 ~1992
669531014017186079 ~1993
66957017160696840910 ~1995
669577036695770319 ~1994
669584991339169999 ~1992
669592814017556879 ~1993
669601431339202879 ~1992
669614391339228799 ~1992
669614511339229039 ~1992
669619334017715999 ~1993
Exponent Prime Factor Digits Year
669642734017856399 ~1993
669646431339292879 ~1992
669666374017998239 ~1993
669669831339339679 ~1992
669696595357572739 ~1994
669721675357773379 ~1994
669743334018459999 ~1993
669751311339502639 ~1992
669757191339514399 ~1992
66978217107165147310 ~1994
669791031339582079 ~1992
669797215358377699 ~1994
669805791339611599 ~1992
669810014018860079 ~1993
669811911339623839 ~1992
669825111339650239 ~1992
669828711339657439 ~1992
669839511339679039 ~1992
669842511339685039 ~1992
66985909428709817710 ~1996
669888415359107299 ~1994
669889315359114499 ~1994
66989023160773655310 ~1995
669890631339781279 ~1992
669928191339856399 ~1992
Exponent Prime Factor Digits Year
66993361107189377710 ~1994
669983391339966799 ~1992
669994791339989599 ~1992
670000911340001839 ~1992
670013031340026079 ~1992
670047534020285199 ~1993
670058814020352879 ~1993
670074831340149679 ~1992
670079395360635139 ~1994
670101231340202479 ~1992
670128711340257439 ~1992
670129934020779599 ~1993
670153396701533919 ~1994
670157574020945439 ~1993
670181631340363279 ~1992
670201191340402399 ~1992
670204334021225999 ~1993
670206231340412479 ~1992
670216791340433599 ~1992
670234191340468399 ~1992
670261311340522639 ~1992
670272831340545679 ~1992
670280574021683439 ~1993
670297791340595599 ~1992
67029871107247793710 ~1994
Exponent Prime Factor Digits Year
670307214021843279 ~1993
670307391340614799 ~1992
670308231340616479 ~1992
670308711340617439 ~1992
670317591340635199 ~1992
670341711340683439 ~1992
670366431340732879 ~1992
670369791340739599 ~1992
670402191340804399 ~1992
670406215363249699 ~1994
670413974022483839 ~1993
670434374022606239 ~1993
670440174022641039 ~1993
670443711340887439 ~1992
670444014022664079 ~1993
670463631340927279 ~1992
670465191340930399 ~1992
670468996704689919 ~1994
670477911340955839 ~1992
670489911340979839 ~1992
670498134022988799 ~1993
670503111341006239 ~1992
670504431341008879 ~1992
670518231341036479 ~1992
67056943549866932710 ~1996
2209
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25-05-04