The Highest Common Factor (H.C.F) of 240 and 924 is:
6
3
2
12
240 = 2 × 2 × 2 × 2 × 3 × 5 924 = 2 × 2 × 3 × 7 × 11 Multiply the factors which repeat in both numbers to get the H.C.F. The Highest Common Factor is 2 × 2 × 3 = 12.