Question

common factors of 4and16

Answer 1

Factors of 4----------> 2×2............................... Factors of 16-----------> 2×2×2×2...................... Common Factors are----> 2×2 , so 2,2 are common factors of 4&16. So HCF= 4

Answer 2

factors of 4=1,2,4
factors of 16=1,2,4,8,16
common factors=1,2,4