51 3, 17
3, 17
1, 3, 17, 51.
1, 3, 17 and 51
51 3,17
1 and 2 are factors of all even numbers.
Four: 1, 3, 17, 51.
Four.
Multiples can't go into numbers. Numbers go into multiples.
Two even numbers won't have an odd GCF.
They are: 1 and 51
The numbers 1 and 3.