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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
28957679579153598 ~1989
28960331579206638 ~1989
28960619579212398 ~1989
28961963579239278 ~1989
289630931737785599 ~1990
289633675213406079 ~1992
289636811737820879 ~1990
28964423579288478 ~1989
289646296372218399 ~1992
28964891579297838 ~1989
289649411737896479 ~1990
28965323579306478 ~1989
28965791579315838 ~1989
289661872317294979 ~1991
28966571579331438 ~1989
28967231579344638 ~1989
28967579579351598 ~1989
28967891579357838 ~1989
28968083579361678 ~1989
28969511579390238 ~1989
289701736952841539 ~1992
28970339579406798 ~1989
28970531579410638 ~1989
289705512897055119 ~1991
28970663579413278 ~1989
Exponent Prime Factor Digits Year
289708818691264319 ~1992
28970891579417838 ~1989
28972043579440878 ~1989
28974479579489598 ~1989
28974769185438521710 ~1993
28975139579502798 ~1989
289756032897560319 ~1991
28975619579512398 ~1989
28975631579512638 ~1989
289766171738597039 ~1990
28977059579541198 ~1989
28977491579549838 ~1989
28978199579563998 ~1989
28978223579564478 ~1989
28978679579573598 ~1989
28978979579579598 ~1989
28978991579579838 ~1989
28979233115916932110 ~1992
289795072318360579 ~1991
289795395216317039 ~1992
28979651579593038 ~1989
28980089110124338310 ~1992
28980383579607678 ~1989
28981499579629998 ~1989
28983203579664078 ~1989
Exponent Prime Factor Digits Year
28983719579674398 ~1989
28983743579674878 ~1989
28983959579679198 ~1989
28984883579697678 ~1989
28985039579700798 ~1989
28985063579701278 ~1989
28985219579704398 ~1989
28985303579706078 ~1989
28985783579715678 ~1989
289870731739224399 ~1990
28987823579756478 ~1989
289905712319245699 ~1991
28990991579819838 ~1989
28991219579824398 ~1989
28992143579842878 ~1989
28992311579846238 ~1989
28992611579852238 ~1989
28992791579855838 ~1989
289934531739607199 ~1990
289949211739695279 ~1990
289951392899513919 ~1991
28995419579908398 ~1989
28995899579917998 ~1989
289964811739788879 ~1990
289977072899770719 ~1991
Exponent Prime Factor Digits Year
28997879579957598 ~1989
289981331739887999 ~1990
28999319579986398 ~1989
28999499579989998 ~1989
29001671580033438 ~1989
290018771740112639 ~1990
29002199580043998 ~1989
29002439580048798 ~1989
290029131740174799 ~1990
29004247539478994310 ~1994
29004551580091038 ~1989
290049774060696799 ~1991
29005583580111678 ~1989
29006759580135198 ~1989
29006843580136878 ~1989
290070795221274239 ~1992
29007311580146238 ~1989
29007551580151038 ~1989
29007821179848490310 ~1993
29008631580172638 ~1989
290087112900871119 ~1991
29009663580193278 ~1989
29009891580197838 ~1989
29010011580200238 ~1989
290107496962579779 ~1992
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24-10-27