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December 17, 2015 00:10
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euler 3번 문제
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| def k(a: Long, s: Long = 2): Long = { | |
| if(a < 2) s | |
| else if(a % s == 0) k(a / s, s) | |
| else k(a, s+1) | |
| } | |
| println(k(600851475143L)) |
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