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GCD & LCMhard
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Using the property gcd⁡(a,b)⋅lcm(a,b)=a⋅b\gcd(a, b) \cdot \text{lcm}(a, b) = a \cdot bgcd(a,b)⋅lcm(a,b)=a⋅b, if gcd⁡(a,b)=15\gcd(a, b) = 15gcd(a,b)=15 and a⋅b=5400a \cdot b = 5400a⋅b=5400, what is lcm(a,b)\text{lcm}(a, b)lcm(a,b)?