Q: Is 402,313 a Prime Number?
A: Yes, 402,313 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 402313 can be evenly divided by 1 and 402,313, with no remainder.
Since 402,313 can be divided by just 1 and 402,313, it is a prime number.