Explanation

The highest number that divides 54, 288, and 360 exactly is their Highest Common Factor.

Factors of 54 = 1, 2, 3, 6, 9, 18, 27, 54

Factors of 288 = 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288

Factors of 360 = 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360

The HCF of 54, 288, and 360 is 18.

**

ND17-1-2023