Q: Is 28,513 a Prime Number?
A: Yes, 28,513 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 28513 can be evenly divided by 1 and 28,513, with no remainder.
Since 28,513 can be divided by just 1 and 28,513, it is a prime number.