Question

What is the LCM of `147z^2x^3` and `49z^4x^4`?

Answer 1

`147z^4x^4`

Explanation:

`147z^4x^4 = 147z^2x^3 * z^2 x`

`147z^4x^4 = 49z^4x^4 * 3`

`z^2 x` and `3` have no common factor apart from `+-1`

So `147z^4x^4` is the least common multiple of `147z^2x^3` and `49z^4x^4`.