Q: Is 604,540 a Prime Number?
A: No, 604,540 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 604540 can be evenly divided by 1 2 4 5 10 20 167 181 334 362 668 724 835 905 1,670 1,810 3,340 3,620 30,227 60,454 120,908 151,135 302,270 and 604,540, with no remainder.
Since 604,540 cannot be divided by just 1 and 604,540, it is not a prime number.