Q: Is 1,078,389 a Prime Number?
A: No, 1,078,389 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 1078389 can be evenly divided by 1 3 9 13 39 117 169 507 709 1,521 2,127 6,381 9,217 27,651 82,953 119,821 359,463 and 1,078,389, with no remainder.
Since 1,078,389 cannot be divided by just 1 and 1,078,389, it is not a prime number.