The GCF is 2.
168 - 1, 2, 4, 6, 8, 12, 14, 21, 28, 42, 848 - 1, 2, 4, 8the GCF is 8
The GCF of 8, 42, and 78 is 2.
The HCF of 124 and 72 is 4.
2 2*21 = 42 2*8 = 16
The GCF is 6.
The GCF is 1.
The GCF of 1218 and 42 is 42. The GCF of 12, 18 and 42 is 6.
The GCF is 21.
The GCF of 24 and 42 is 6. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24 The factors of 42 are 1, 2, 3, 6, 7, 14, 21 and 42
The GCF of 18 and 42 is 6. The GCF of 42 and 56 is 14.
The GCF of 42 and 35 is 7.factors of 42: 2,6,7factors of 35: 5,7
Since 7 is a factor of 42, it is automatically the GCF.