How many of the positive factors of 25 , 15 and how many common factors are there in numbers?
Choose the correct choice
A) 1 B) 2 C) 3 D) 4 E) 5
factors of 25 - 1, 5, and 25   factors of 15 - 1 , 3, 5 and 15   Comparing both, we have three common factors of 45,16-2   Answer 2
<result>B</result>
How many of the positive factors of 25 , 15 and how many common factors are there in numbers?