Q: Is 120,321 a Prime Number?
A: No, 120,321 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 120321 can be evenly divided by 1 3 9 29 87 261 461 1,383 4,149 13,369 40,107 and 120,321, with no remainder.
Since 120,321 cannot be divided by just 1 and 120,321, it is not a prime number.