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How do I prove a 4000 digit number is prime??
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2005-01-15, 19:19
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VJS
Dec 2004
13·23 Posts
How do I prove a 4000 digit number is prime??
I have one 31-digit factor from a number of the k*2^n+1 type where n=~7300,
How do I check if the "Co-factor" is prime, it ends in ....1162049124129
Thanks
VJS
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