What is the HCF of 36 44 52 and 56?

The Highest Common Factor (HCF) of 36, 44, 52, and 56 can be found by determining the prime factors of each number. The prime factors of 36 are 2^2 * 3^2, of 44 are 2^2 * 11, of 52 are 2^2 * 13, and of 56 are 2^3 * 7. To find the HCF, we look for the highest power of each common prime factor among the numbers, which in this case is 2^2 = 4. Therefore, the HCF of 36, 44, 52, and 56 is 4.