Find lcm(20,30)\text{lcm}(20, 30)lcm(20,30) using the formula lcm(a,b)=a⋅bgcd(a,b)\text{lcm}(a,b) = \frac{a \cdot b}{\gcd(a,b)}lcm(a,b)=gcd(a,b)a⋅b.
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