The GCF is 226.
GCF = 26. 78 = 2 x 3 x 13. 442 = 2 x 13 x 17. Common factors are 2 & 13. 2x13=26.
GCF of 442 and 1547: 221
CGF(442, 247) = 13.
62 and 442's highest common factor is two.
The GCF is 6.
The GCF is 26.
The GCF is 3.
The GCF is 2.
The GCF is 2.
The GCF is 2.
The GCF is 1.