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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
15799271315985438 ~1987
157996871579968719 ~1989
15800417948025038 ~1988
158010596636444799 ~1990
15801323316026478 ~1987
15801743316034878 ~1987
15802379316047598 ~1987
15802693948161598 ~1988
15802859316057198 ~1987
15803171316063438 ~1987
15803279316065598 ~1987
15803363316067278 ~1987
158033991264271939 ~1989
15803603316072078 ~1987
15803663316073278 ~1987
15803951316079038 ~1987
15804023316080478 ~1987
15804083316081678 ~1987
15804443316088878 ~1987
15804791316095838 ~1987
15804839316096798 ~1987
158048571264388579 ~1989
15804923316098478 ~1987
15805259316105198 ~1987
158058172212814399 ~1989
Exponent Prime Factor Digits Year
15806099316121998 ~1987
15806111316122238 ~1987
15806291316125838 ~1987
158064493477418799 ~1990
15806699316133998 ~1987
15807199319305419910 ~1992
15807503316150078 ~1987
158075533793812739 ~1990
158078932213105039 ~1989
15807941948476478 ~1988
15807959316159198 ~1987
15808033948481998 ~1988
15808343316166878 ~1987
15808511316170238 ~1987
158085373794048899 ~1990
15808619316172398 ~1987
15809771316195438 ~1987
15809897354141692910 ~1992
158099091264792739 ~1989
15810073948604398 ~1988
15810083316201678 ~1987
15810233948613998 ~1988
158116191264929539 ~1989
15812171316243438 ~1987
15812213948732798 ~1988
Exponent Prime Factor Digits Year
15812399316247998 ~1987
15812651316253038 ~1987
15812837948770238 ~1988
15812893948773598 ~1988
15812903316258078 ~1987
15813419316268398 ~1987
15813779316275598 ~1987
15814163316283278 ~1987
15814481948868878 ~1988
15814679316293598 ~1987
158151612530425779 ~1989
158152271581522719 ~1989
158155093795722179 ~1990
15815939316318798 ~1987
15815963316319278 ~1987
15816121948967278 ~1988
158168691265349539 ~1989
158171831581718319 ~1989
15817211316344238 ~1987
158172132530754099 ~1989
15817337949040238 ~1988
15817799316355998 ~1987
15818111316362238 ~1987
158182611265460899 ~1989
15818651316373038 ~1987
Exponent Prime Factor Digits Year
158190312531044979 ~1989
15819431316388638 ~1987
158195111581951119 ~1989
15819539316390798 ~1987
15821137949268238 ~1988
158216472847896479 ~1990
15821831316436638 ~1987
158219691265757539 ~1989
15822071316441438 ~1987
15822077949324638 ~1988
15822377949342638 ~1988
15822623316452478 ~1987
15822959316459198 ~1987
15823079316461598 ~1987
15823163316463278 ~1987
15823403316468078 ~1987
15823681949420878 ~1988
158236972215317599 ~1989
15823721949423278 ~1988
15823823316476478 ~1987
158244411265955299 ~1989
15824519316490398 ~1987
158245631582456319 ~1989
158245632531930099
15824597949475838 ~1988
1277
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25-06-08