Question

What digit(s) can be in the one's place of a number that has 5 as a factor?

Answer 1

0 and 5 can be in the one's place of a number that has 5 as a factor.

Answer 2

Any number that ends with a 0 or a 5 would be a multiple of 5 because as you multipy numbers by 5 you start to see a pattern in the ones place of 5,0,5,0,5,0,5,0,... And so on forever