The smallest possible pair of numbers is 1700 and 2550.
It doesn't have a numerical answer. If both numbers are even, one will be divisible by the other.
1700 = 850 X 2
Two even numbers won't have an odd GCF.
2 AND 3
Two even numbers won't have an odd GCF.
958 and 1437
958 and 1437
1700 and 2550
1700 and 2550
1700 and 2550
You need at least two numbers to find a GCF. If you're looking for two numbers that have a GCF of 850, they will both be even.