[EMAIL PROTECTED] wrote:
>
> Forgive my ignorance but;
>
> In reading the Lucas Wiman Mersenne Prime FAQ I became confused at the Q5.3
> instruction. (see FAQ insert below).
>
> I want to know how many decimal digits are in a given MP.
The FAQ seems to be right about the exact answer, once the exponents/digits
typo is fixed. A handy approximation is:
10^3 = 1000 ~= 1024 = 2^10
So ten binary digits are slightly more than three decimal digits.
Of course for large numbers, this is fairly innaccurate. 10^300 is quite
a bit less than 2^1000, for example. 1.024^100 times less to be exact.
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