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Old 2009-10-31, 17:37   #4
R.D. Silverman
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Nov 2003

164448 Posts

Originally Posted by kokakola View Post
If I'm working on an LL test of N = 2^48,000,000 - 1, for example, is there any way for me to find how many digits N has?

How much math have you had? Normally, one sees logarithms in
the 2nd or (maybe) 3rd year of high school algebra.
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