Is 102 divisible by 4

Answer 1

No, 102 ÷ 4 = 25 r 2.

To check for divisibility by 4, if the last 2 digits are divisible by 4, the whole number is, otherwise the remainder is the same:

102: last 2 digits are '02' = 2

2 ÷ 4 = 0 r 2, so 102 ÷ 4 has remainder 2.