The GCF is 6.
The GCF is 6.
The least common multiple of 1830 , 42 = 12,810
The GCF of 1218 and 42 is 42. The GCF of 12, 18 and 42 is 6.
6
The GCF is 21.
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.
The GCF is 14.
The GCF is 6.
The GCF is 6.