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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.
Exp. Prime Factor Digits Year
40689431666639052911 ~1991
406895981379197 ~1983
4068979406897918 ~1984
4068989325519138 ~1984
4069027406902718 ~1984
4069073569670238 ~1985
406913981382797 ~1983
4069271325541698 ~1984
4069327406932718 ~1984
406934381386877 ~1983
4069433569720638 ~1985
4069489895287598 ~1985
406967981393597 ~1983
40696876267317999 ~1987
4069699406969918 ~1984
4069757244185438 ~1984
4069787325582978 ~1984
4069837244190238 ~1984
4069937325594978 ~1984
406999181399837 ~1983
407005181401037 ~1983
407021981404397 ~1983
4070321244219278 ~1984
40703831383930239 ~1986
407051981410397 ~1983
Exp. Prime Factor Digits Year
407054381410877 ~1983
407071181414237 ~1983
4070861325668898 ~1984
4070947977027298 ~1985
4071031407103118 ~1984
4071047325683778 ~1984
4071497570009598 ~1985
407165981433197 ~1983
4071659325732738
40717611221528319 ~1985
4071869325749538 ~1984
4071877244312638 ~1984
4071917570068398 ~1985
4072007325760578 ~1984
40720071058721839
40720091221602719 ~1985
4072291407229118 ~1984
4072399733031838 ~1985
4072459407245918 ~1984
4072531651604978 ~1985
407261981452397 ~1983
4072637325810978 ~1984
4072837977480898 ~1985
40728371221851119
4073023407302318 ~1984
Exp. Prime Factor Digits Year
407317181463437 ~1983
40731711303414739
40731712036585519
407333981466797 ~1983
407335181467037 ~1983
4073371733206798 ~1985
4073513977643138 ~1985
4073567977656098 ~1985
4073621244417278 ~1984
4073683651789298 ~1985
407383181476637 ~1983
4073851651816178 ~1985
407387981477597 ~1983
40739171874001839 ~1986
407402381480477 ~1983
40742091303746899 ~1986
407426381485277 ~1983
4074377570412798 ~1985
407441981488397 ~1983
4074523407452318 ~1984
4074677244480638 ~1984
4074677977922498
407474381494877 ~1983
4074757651961138 ~1985
4074793244487598 ~1984
Exp. Prime Factor Digits Year
40748696193800899 ~1987
407519981503997 ~1983
4075243652038898 ~1985
4075327652052338 ~1985
4075433244525998 ~1984
4075459407545918 ~1984
4075469978112578 ~1985
407555981511197 ~1983
4075627407562718 ~1984
4075657244539438 ~1984
4075879733658238 ~1985
4076069570649678 ~1985
4076077244564638 ~1984
4076537326122978 ~1984
4076557244593438 ~1984
4076729570742078 ~1985
407678381535677 ~1983
407687981537597 ~1983
407695181539037 ~1983
40772211223166319 ~1985
40772394648052479 ~1987
407729981545997 ~1983
407732381546477 ~1983
4077347326187778 ~1984
4077413570837838 ~1985
615
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25-11-17