Q: Is 862,491 a Prime Number?
A: No, 862,491 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 862491 can be evenly divided by 1 3 7 21 67 201 469 613 1,407 1,839 4,291 12,873 41,071 123,213 287,497 and 862,491, with no remainder.
Since 862,491 cannot be divided by just 1 and 862,491, it is not a prime number.