Question

which of the following pair will have HCF 4
a 23,3
b. 28,4
c. 31,4
d. 10,4​

Answer 1

Answer:

28 , 4

Step-by-step explanation:

The factors of 4 are: 1, 2, 4

The factors of 28 are: 1, 2, 4, 7, 14, 28

Then the Highest Common Factor is 4.

Answer 2

Answer:

b) 28,4

Step-by-step explanation:

HCF is the highest common factor of any two or more than two no. Here

28 = 2×2×7

4 = 2×2

So, HCF(28,4) = 4.