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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
21453683429073678 ~1988
21454091429081838 ~1988
21454151429083038 ~1988
214546371716370979 ~1990
214551011287306079 ~1989
214553936436617919 ~1991
21455459429109198 ~1988
21455663429113278 ~1988
21455891429117838 ~1988
21455939429118798 ~1988
214559771287358639 ~1989
214561573432985139 ~1990
21456191429123838 ~1988
21456203429124078 ~1988
21456731429134638 ~1988
21456739102992347310 ~1992
21456791429135838 ~1988
214569014720518239 ~1991
214569371287416239 ~1989
21456971429139438 ~1988
21457379429147598 ~1988
21458351429167038 ~1988
21458639429172798 ~1988
21459131429182638 ~1988
21459479429189598 ~1988
Exponent Prime Factor Digits Year
21459671429193438 ~1988
21460163429203278 ~1988
214605011287630079 ~1989
21460559429211198 ~1988
21460643429212878 ~1988
21460979429219598 ~1988
21462359429247198 ~1988
214624911716999299 ~1990
21462671429253438 ~1988
21463223429264478 ~1988
21463583429271678 ~1988
21464603429292078 ~1988
21464711429294238 ~1988
214647113863647999
21464903429298078 ~1988
21465071429301438 ~1988
21465131429302638 ~1988
21465239429304798 ~1988
21465443429308878 ~1988
214656371287938239 ~1989
21465971429319438 ~1988
21466079429321598 ~1988
214662611287975679 ~1989
21466559429331198 ~1988
214666731288000399 ~1989
Exponent Prime Factor Digits Year
21466859429337198 ~1988
214669971288019839 ~1989
21467711429354238 ~1988
214678931288073599 ~1989
21467951429359038 ~1988
21468371429367438 ~1988
214694171288165039 ~1989
21469919429398398 ~1988
21470509150293563110 ~1992
21471371429427438 ~1988
21472163429443278 ~1988
214725411288352479 ~1989
214736237301031839 ~1991
21474059429481198 ~1988
214741131288446799 ~1989
214741373006379199 ~1990
21474143429482878 ~1988
21474443429488878 ~1988
21474983429499678 ~1988
21475271429505438 ~1988
214756873865623679 ~1991
21476303429526078 ~1988
214764199020095999 ~1991
21476519429530398 ~1988
21476639429532798 ~1988
Exponent Prime Factor Digits Year
21476699429533998 ~1988
21477539429550798 ~1988
21477803429556078 ~1988
21478211429564238 ~1988
21478631429572638 ~1988
21480059429601198 ~1988
214802331288813999 ~1989
214810033436960499 ~1990
21481079429621598 ~1988
21481331429626638 ~1988
214817691718541539 ~1990
214817696444530719
21482159429643198 ~1988
214821593866788639
21482603429652078 ~1988
21482999429659998 ~1988
21483239429664798 ~1988
21483719429674398 ~1988
21483779429675598 ~1988
214838531289031199 ~1989
214839011289034079 ~1989
21484349631639860710 ~1994
214844871718758979 ~1990
214850531289103199 ~1989
21485591429711838 ~1988
1478
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25-06-08