Q: Is 513,915 a Prime Number?
A: No, 513,915 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 513915 can be evenly divided by 1 3 5 15 34,261 102,783 171,305 and 513,915, with no remainder.
Since 513,915 cannot be divided by just 1 and 513,915, it is not a prime number.