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nabetani/ProjectEulerProblem5.groovy

Last active December 11, 2015 09:08
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ProjectEulerProblem5.groovy
// see http://odz.sakura.ne.jp/projecteuler/index.php?cmd=read&page=Problem%205
def gcm( x, y ){
x=x as BigInteger;
y=y as BigInteger;
c=x.gcd(y);
return (( x / c ) * ( y / c ) *c)
}
println ( (1..20).inject(1){ i, j -> gcm( i, j )} )
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