1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
1,2,5,10
1 and 97
They are: 2 and 7
1, 5, 7, 35
1, 2, 31, 62
48 has only 2 prime factors, not 8!
18 and all factors of 18. 18 and all factors of 18. 18 and all factors of 18. 18 and all factors of 18.
Factors of 91 is 1,7,13,91 because 1 * 91 is 91 and 7 * 13 is 91
9 and 16 have no common factors, therefore the GCF is 1.
1, 2, 4, 17, 34, 68
A group, there ae 18 of them.