Q: Is 523,604 a Prime Number?
A: No, 523,604 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 523604 can be evenly divided by 1 2 4 223 446 587 892 1,174 2,348 130,901 261,802 and 523,604, with no remainder.
Since 523,604 cannot be divided by just 1 and 523,604, it is not a prime number.