Question

What will go into both 13 and 52

Answer 1

The grreatest common factor of 13 and 52 is 13

13 is a prime number so the only factors are 1 and 13
the factors of 52 are 1, 2, 4, 13, 26, and 52

the number that goes into both is 13

Answer 2

The answer would be 13 because 13 is a prime number