what is hcf
The HCF of two or more numbers is the largest common factor of the given numbers.It is the
largest number which divides the two or more numbers.
Consider two numbers 24 and 36.
Factors of 24 = 1, 2, 3, 4, 6, 8, 12, 24
Factors of 36 = 1, 2, 3, 4, 6, 9, 12, 18, 36
Common factors of 24 and 36 = 1, 2, 3, 4, 6, 12
∴ HCF of 24 and 36 = 12. 12 is the largest number which divides both 24 and 36.