Et al,

         The below chart gives the general lower bounds for which the
limit of powers of two begins.  As an example, 2^55 for the most part,
is the least exponent as a limit for all Mersenne numbers greater than
1,040,000.  There are exceptions and this is the object of this post.

         I would like to see that there are no exceptions except for the
obviously untested Mersenne numbers.  Once this is accomplished, then I
would like to see the Mersenne numbers at which a particular exponent
occurs also reduced.

Exponent, Mersenne Nbrs.

52                            1,400

53                        400,000

54                        730,000

55                     1,040,000

56                     1,335,240

57                     1,602,275

58                     2,222,000

59                     2,655,000

60                     3,602,100

61                     4,715,000

62                     5,260,000

Sincerely yours,

Robert G. Wilson v,
PhD ATP / CF&GI

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