2 × 2 × 2 × 3 × 3 × 3 × 5
Explanation:To find the factors of 1080, we divide by prime numbers till there is no remainder:
We start the division with 2, when the number couldn't be divided by 2 any longer, we move to 3 and then to 5.
Factorisation of 1080 = 2 × 2 × 2 × 3 × 3 × 3 × 5
