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GCD/LCM in F#
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| let rec gcd a b = match (a,b) with | |
| | (x,y) when x = y -> x | |
| | (x,y) when x > y -> gcd (x-y) y | |
| | (x,y) -> gcd x (y-x) | |
| let lcm a b = a*b/(gcd a b) |
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let rec gcd a b = match (a,b) with
| (x,0) -> x
| (0, y) -> y
| (a,b) -> gcd b (a % b)