Q: Is 513,343 a Prime Number?
A: No, 513,343 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 513343 can be evenly divided by 1 599 857 and 513,343, with no remainder.
Since 513,343 cannot be divided by just 1 and 513,343, it is not a prime number.