The GCF of 42 and 273 is 21. 42 = 2 x 21 273 = 13 x 21
The GCF of 1218 and 42 is 42. The GCF of 12, 18 and 42 is 6.
26 = 2 * 13; 42 = 2 * 3 * 7; the greatest common factor is 2
The GCF is 21.
The GCF of 42, 60 and 78 is 6. You are left with 7, 10 and 13 respectively after division. There are no further factors in common (aside from 1).
The GCF is 13.
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 6.
The GCF is 42.
The GCF is 7.