find the H.C.F of the following 26 and 65. And 21, 35 and 56

Question

find the H.C.F of the following 26 and 65. And 21, 35 and 56

Answer 1

You want to find the greatest common factor (GCF) of the numbers.  List all the factors of each number.  Then find the greatest factor they have in common.

Answer 2

26: 2, 13

65: 5, 13

 

21: 3, 7

35: 5, 7

56: 2³, 7