Q: Is 125,513 a Prime Number?
A: No, 125,513 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 125513 can be evenly divided by 1 313 401 and 125,513, with no remainder.
Since 125,513 cannot be divided by just 1 and 125,513, it is not a prime number.