Question

A number is divisible by both 5 and 19 . By which other number will that number be always divisible .

Answer 1

Factors of 5 = 1, 5

Factors of 19= 1, 19

As the common factor of these numbers is 1, the given two numbers are co- prime and the number will also be divisible by their product, i.e. 95, and the factors of 95, i.e., 1, 5, 19, 95