What is the HCF of 245 and 392?

The Highest Common Factor (HCF) of two numbers is the largest positive integer that divides both numbers without leaving a remainder. To find the HCF of 245 and 392, you would first factorize both numbers: 245 = 5 x 7 x 7 and 392 = 2 x 2 x 2 x 7 x 7. Then, identify the common factors between the two numbers, which are 7 and 7. Therefore, the HCF of 245 and 392 is 7 x 7 = 49.