Q: Is 688,242 a Prime Number?
A: No, 688,242 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 688242 can be evenly divided by 1 2 3 6 251 457 502 753 914 1,371 1,506 2,742 114,707 229,414 344,121 and 688,242, with no remainder.
Since 688,242 cannot be divided by just 1 and 688,242, it is not a prime number.