2, 6, 18, 54
Yes, 54 is an even number.
Every nonzero number is a factor of itself.
54 27,2 9,3,2 3,3,3,2
Anything that isn't 1, 2, 3, 6, 9, 18, 27, 54
Yes.
Any even number has at least one even factor.
There are 8 of them.
54. 9*6=54
1 (this is a factor of all numbers) and 2 (since 54 and 56 are both even numbers) This is it.
The Greatest Common Factor (GCF) of 54 and 39 is 3.
The number 54 is not prime since it is an even number. All even numbers, except for 2, are not prime.
54