Q: Is 25,604 a Prime Number?
A: No, 25,604 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 25604 can be evenly divided by 1 2 4 37 74 148 173 346 692 6,401 12,802 and 25,604, with no remainder.
Since 25,604 cannot be divided by just 1 and 25,604, it is not a prime number.