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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
43280519865610398 ~1991
43280591865611838 ~1991
432813194328131919 ~1992
432820613462564899 ~1992
43282643865652878 ~1991
43284599865691998 ~1991
432845993462767939
43285019865700398 ~1991
432850936925614899 ~1993
43285199865703998 ~1991
432860936060053039 ~1993
432870012597220079 ~1992
43287323865746478 ~1991
432876536060271439 ~1993
43288079865761598 ~1991
43288991207787156910 ~1994
43289699865793998 ~1991
432906972597441839 ~1992
43292339865846798 ~1991
43293083865861678 ~1991
43295051865901038 ~1991
43295459865909198 ~1991
432959714329597119 ~1992
43296443865928878 ~1991
43297379865947598 ~1991
Exponent Prime Factor Digits Year
43297883865957678 ~1991
43298231865964638 ~1991
433007093464056739 ~1992
43301003866020078 ~1991
43304759866095198 ~1991
433051514330515119 ~1992
433085539527881679 ~1993
433087373464698979 ~1992
433088236929411699 ~1993
43308971866179438 ~1991
433093276929492339 ~1993
43310783866215678 ~1991
433111372598668239 ~1992
43311731866234638 ~1991
43312259866245198 ~1991
43312883866257678 ~1991
433131773465054179 ~1992
43313411866268238 ~1991
433146172598877039 ~1992
43314731866294638 ~1991
43314731112618300710
43314923866298478 ~1991
433161372598968239 ~1992
433170076930721139 ~1993
43317023866340478 ~1991
Exponent Prime Factor Digits Year
433179176064508399 ~1993
433180193465441539 ~1992
433184772599108639 ~1992
43318739866374798 ~1991
43319219866384398 ~1991
43320911866418238 ~1991
43322393268598836710 ~1994
43322459866449198 ~1991
43322483866449678 ~1991
43322843866456878 ~1991
43323083866461678 ~1991
433234572599407439 ~1992
43323671866473438 ~1991
43330751866615038 ~1991
43331591866631838 ~1991
433330332599981999 ~1992
43333151866663038 ~1991
43333211866664238 ~1991
433332316933316979 ~1993
433351013466808099 ~1992
43335191866703838 ~1991
433352474333524719 ~1992
433360493466883939 ~1992
43337117164681044710 ~1994
43337699866753998 ~1991
Exponent Prime Factor Digits Year
433378212600269279 ~1992
43338203866764078 ~1991
433400572600403439 ~1992
433409114334091119 ~1992
43340963866819278 ~1991
43342751866855038 ~1991
433438793467510339 ~1992
43344283173377132110 ~1994
43344863866897278 ~1991
43345619866912398 ~1991
43346879866937598 ~1991
43348027563524351110 ~1995
433481572600889439 ~1992
433485172600911039 ~1992
43350179867003598 ~1991
43350551867011038 ~1991
43350623867012478 ~1991
433511772601070639 ~1992
433512893468103139 ~1992
43351453234097846310 ~1994
43351823867036478 ~1991
43352051867041038 ~1991
43353749104048997710 ~1993
43355723867114478 ~1991
43355951867119038 ~1991
1964
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25-05-04