GCF of a Prime number and a composite number is 1 if the prime number is not a factor of the composite number.
Here 103 is a prime number and 120 is a composite number. And 120 is not divisible by 103(or 103 is not a factor of 120).
So, GCF(103,120) = 1
The greatest common factor of 96 and 120 is 24.
The greatest common factor of 87 , 120 = 3
The greatest common factor of 120 and 144 is 24
The greatest common factor for 120 and 45 is 15.
The greatest common factor of 120 and 245 is 5.
The greatest common factor of 120 and 168 is 24.
The greatest common factor of 120 and 468 is 12.
The greatest common factor of 28 and 120 is 4.
The greatest common factor of 78 and 120 is 6.
The greatest common factor of 80 and 120 is 40.
The greatest common factor of 68 and 120 is 4.
Te greatest common factor of 120 and 1,260 is 60.