Q: Is 15,604 a Prime Number?
A: No, 15,604 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 15604 can be evenly divided by 1 2 4 47 83 94 166 188 332 3,901 7,802 and 15,604, with no remainder.
Since 15,604 cannot be divided by just 1 and 15,604, it is not a prime number.