What is highest common factors of 600 and 1050?

The highest common factor (HCF) of 600 and 1050 is 150. To find the HCF, you can list the prime factors of both numbers: 600 = 2^3 × 3 × 5^2 and 1050 = 2 × 3 × 5^2 × 7. The common prime factors are 2, 3, and 5^2, leading to the calculation of the HCF as 2 × 3 × 5^2 = 150.