Q: Is 513,207 a Prime Number?
A: No, 513,207 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 513207 can be evenly divided by 1 3 9 127 381 449 1,143 1,347 4,041 57,023 171,069 and 513,207, with no remainder.
Since 513,207 cannot be divided by just 1 and 513,207, it is not a prime number.