What is the hcf of 324 and 512?

The highest common factor (HCF) of two numbers is the largest number that divides both numbers without leaving a remainder. To find the HCF of 324 and 512, we need to identify the common factors of both numbers. The factors of 324 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, and 324. The factors of 512 are 1, 2, 4, 8, 16, 32, 64, 128, 256, and 512. The highest common factor of 324 and 512 is 4.