Q: Is 521,489 a Prime Number?
A: No, 521,489 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 521489 can be evenly divided by 1 61 83 103 5,063 6,283 8,549 and 521,489, with no remainder.
Since 521,489 cannot be divided by just 1 and 521,489, it is not a prime number.