Q: Is 143,513 a Prime Number?
A: Yes, 143,513 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 143513 can be evenly divided by 1 and 143,513, with no remainder.
Since 143,513 can be divided by just 1 and 143,513, it is a prime number.