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The least common multiple (LCM) of two positive integers is equal to their product if and only if the two integers are coprime, meaning their greatest common divisor (GCD) is 1.

Conditions: The two integers are positive.; The two integers are coprime (gcd(a,b) = 1).

The least common multiple (LCM) of two positive integers is equal to their product if and only if the two integers are coprime, meaning their greatest common divisor (GCD) is 1.

Conditions: The two integers are positive.; The two integers are coprime (gcd(a,b) = 1).

The general formula for the least common multiple (LCM) of two positive integers a and b is their product divided by their greatest common divisor (GCD): LCM(a,b) = ($a * b$) / GCD(a,b).

Conditions: a and b are positive integers.

The general formula for the least common multiple (LCM) of two positive integers a and b is their product divided by their greatest common divisor (GCD): LCM(a,b) = ($a * b$) / GCD(a,b).

Conditions: a and b are positive integers.