Q: Is 688,012 a Prime Number?
A: No, 688,012 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 688012 can be evenly divided by 1 2 4 13 26 52 101 131 202 262 404 524 1,313 1,703 2,626 3,406 5,252 6,812 13,231 26,462 52,924 172,003 344,006 and 688,012, with no remainder.
Since 688,012 cannot be divided by just 1 and 688,012, it is not a prime number.