Q: Is 257,513 a Prime Number?
A: No, 257,513 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 257513 can be evenly divided by 1 47 5,479 and 257,513, with no remainder.
Since 257,513 cannot be divided by just 1 and 257,513, it is not a prime number.