Q: Is 361,521 a Prime Number?
A: No, 361,521 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 361521 can be evenly divided by 1 3 9 40,169 120,507 and 361,521, with no remainder.
Since 361,521 cannot be divided by just 1 and 361,521, it is not a prime number.