Q: Is 313,420 a Prime Number?
A: No, 313,420 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 313420 can be evenly divided by 1 2 4 5 10 20 15,671 31,342 62,684 78,355 156,710 and 313,420, with no remainder.
Since 313,420 cannot be divided by just 1 and 313,420, it is not a prime number.