Q: Is 16,604 a Prime Number?
A: No, 16,604 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 16604 can be evenly divided by 1 2 4 7 14 28 593 1,186 2,372 4,151 8,302 and 16,604, with no remainder.
Since 16,604 cannot be divided by just 1 and 16,604, it is not a prime number.