Any of its factors such as 3 and 17
51 3, 17
3, 17
1, 3, 17, 51.
51 3,17
1 and 2 are factors of all even numbers.
Multiples can't go into numbers. Numbers go into multiples.
Four: 1, 3, 17, 51.
Four.
Well, honey, the numbers that go into 51 are 1, 3, 17, and 51. That's it, no more, no less. So, if you were hoping for a longer list, tough luck!
Two even numbers won't have an odd GCF.
They are: 1 and 51
The numbers 1 and 3.