Q: Is 513,081 a Prime Number?
A: No, 513,081 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 513081 can be evenly divided by 1 3 9 27 31 93 279 613 837 1,839 5,517 16,551 19,003 57,009 171,027 and 513,081, with no remainder.
Since 513,081 cannot be divided by just 1 and 513,081, it is not a prime number.