Q: Is 323,420 a Prime Number?
A: No, 323,420 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 323420 can be evenly divided by 1 2 4 5 10 20 103 157 206 314 412 515 628 785 1,030 1,570 2,060 3,140 16,171 32,342 64,684 80,855 161,710 and 323,420, with no remainder.
Since 323,420 cannot be divided by just 1 and 323,420, it is not a prime number.