1.
19 is a Prime number. It only has 2 factors: 1 & 19. 19 is not a factor of 14. Therefore the answer is 1. It is the only common factor and hence also the greatest common factor.
The GCF is 1.
The GCF is 1.
The least common factor is: 1
The GCF is 1.
It is: 1
The highest common factor of 9 and 14 is 1. (They are relatively prime.)
The GCF is: 1 Because 14~ 1,2,7,14 19~ 1,19
The GCF is 1.
The GCF is 1.
The GCF is 19.
14The GCF is 14.
The GCF is: 19