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What minimum exponent would give 100M digit prime?
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2010-04-18, 02:22
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lfm
Jul 2006
Calgary
651
_{8}
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Quote:
Originally Posted by
CADavis
http://mersenne-aries.sili.net/digits.php
calculate number of digits from an exponent
i think it something above 332,000,000 for the exponent to give a 100M digit mersenne number.
Its pretty easy if you have a proper calculator. Just 1e6*ln(10)/ln(2)=3321928.09 or so.
lfm
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