Question

Factors of 21,42,84.

Answer 1

factors of 21= 1, 3 & 7
42= 1, 2,3,6,7,14,21,42
84=1,3,9,27,81

Answer 2

factors of 21 are : 1,3,7,21
factors of 42 are : 1,2,3,6,7,16,21
factors of 84 are : 1,2,4,6,42,21,14,7,12,3,28,