Q: Is 1,513,503 a Prime Number?
A: No, 1,513,503 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 1513503 can be evenly divided by 1 3 9 211 633 797 1,899 2,391 7,173 168,167 504,501 and 1,513,503, with no remainder.
Since 1,513,503 cannot be divided by just 1 and 1,513,503, it is not a prime number.