How many of the positive factors of 36 , 84 and how many common factors are there in numbers? Choose the correct answer
A) 2
B) 4
C) 3
D) 5
E) 6
factors of 36 - 1, 2, 3, 4, 6, 9, 12, 18, 36   factors of 84 - 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84   Comparing both, we have six common factors of 36 and 84- 1,2,3,4,6,12,   Answer(6)
<result>E</result>
How many of the positive factors of 36 , 84 and how many common factors are there in numbers?