Question

For any choice of positive integers a and b, lcm(a,

b.= ab if and only if

Answer 1

Answer:

gcd(a,b) = 1

Step-by-step explanation:

According to the theorem,

lcm(a, b) × gcd(a, b) = ab for any positive integers a, b.

So, lcm(a,b) will be equal to ab if and only if gcd(a,b) = 1.