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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
28952771579055438 ~1989
28952783579055678 ~1989
28952879579057598 ~1989
28953191579063838 ~1989
28953923579078478 ~1989
28954283579085678 ~1989
28954319579086398 ~1989
28954559579091198 ~1989
28954643579092878 ~1989
289548112316384899 ~1991
28954823579096478 ~1989
28955099579101998 ~1989
28955603579112078 ~1989
28955831579116638 ~1989
28955903579118078 ~1989
28956131579122638 ~1989
28956299579125998 ~1989
28957139579142798 ~1989
289572411737434479 ~1990
28957343579146878 ~1989
28957403579148078 ~1989
28957679579153598 ~1989
28957763579155278 ~1989
28957823579156478 ~1989
28958519579170398 ~1989
Exponent Prime Factor Digits Year
28959431579188638 ~1989
289596496950315779 ~1992
28959839579196798 ~1989
28960331579206638 ~1989
28960619579212398 ~1989
28960643579212878 ~1989
28961039579220798 ~1989
28961963579239278 ~1989
28962383579247678 ~1989
289630931737785599 ~1990
289633675213406079 ~1992
289636811737820879 ~1990
28964423579288478 ~1989
289646296372218399 ~1992
28964891579297838 ~1989
289649411737896479 ~1990
28965323579306478 ~1989
28965791579315838 ~1989
289661872317294979 ~1991
28966571579331438 ~1989
28966979579339598 ~1989
28967111579342238 ~1989
28967231579344638 ~1989
28967579579351598 ~1989
28967891579357838 ~1989
Exponent Prime Factor Digits Year
28968083579361678 ~1989
28968311579366238 ~1989
28969511579390238 ~1989
289701736952841539 ~1992
28970339579406798 ~1989
28970531579410638 ~1989
289705512897055119 ~1991
28970663579413278 ~1989
289708818691264319 ~1992
28970891579417838 ~1989
28971263579425278 ~1989
28972043579440878 ~1989
28972103579442078 ~1989
289721592897215919 ~1991
28972523579450478 ~1989
28972763579455278 ~1989
28973519579470398 ~1989
28973579579471598 ~1989
28973699579473998 ~1989
28974479579489598 ~1989
28974769185438521710 ~1993
28975139579502798 ~1989
289756032897560319 ~1991
28975619579512398 ~1989
28975631579512638 ~1989
Exponent Prime Factor Digits Year
28976303579526078 ~1989
289766171738597039 ~1990
28976639579532798 ~1989
28977059579541198 ~1989
28977491579549838 ~1989
28978199579563998 ~1989
28978223579564478 ~1989
28978283579565678 ~1989
28978679579573598 ~1989
28978979579579598 ~1989
28978991579579838 ~1989
28979233115916932110 ~1992
289795072318360579 ~1991
289795395216317039 ~1992
28979591579591838 ~1989
28979651579593038 ~1989
28980089110124338310 ~1992
28980383579607678 ~1989
28981343579626878 ~1989
28981499579629998 ~1989
28982351579647038 ~1989
28983203579664078 ~1989
28983431579668638 ~1989
28983719579674398 ~1989
28983743579674878 ~1989
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25-06-08