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| A Great Greatest Common Divisor (Posted on 2019-03-06) |
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How many digits does gcd(111...111, 111...111) have?
The first number has 240 ones and the second number has 150 ones.
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 | Also | armando | 2019-03-06 12:12:43 |
 | solution | Charlie | 2019-03-06 10:46:15 |
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