1 and 2
The common factors are: 1, 2, 3, 6, 9, 18.
The factors of 21 are: 1, 3, 7, 21The factors of 70 are: 1, 2, 5, 7, 10, 14, 35, 70The common factors are: 1, 7
Factors of 74: 1, 2, 37, 74Factors of 76: 1, 2, 4, 19, 38, 76GCF (74, 76) = 2
19 and 4
No.
Four factors: 1 2 37 74.
The greatest common factor (GCF) for twenty-one and seventy-two is three.
1, 7, 11, 77
Seventy (70)
seventy
Five