The GCF of 1 and anything is 1.
The GCF of 4 and 9 is 1
The GCF is 1.
The GCF is 1.
The GCF is 9.
The GCF is 1.
The GCF is 1.
The GCF is 1.
The GCF is 1.
CF(56, 9) = 1.
The GCF of 9 and 11 is 1.The factors of 9 are 1, 3, 9.The factors of 11 are 1, 11.The GCF of 9 and 11 = 1.Has to be 1 cuz 11 is prime
The GCF is 1.
GCF(9, 125) = 1: the numbers are coprime.