Q: Is 688,980 a Prime Number?
A: No, 688,980 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 688980 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 11,483 22,966 34,449 45,932 57,415 68,898 114,830 137,796 172,245 229,660 344,490 and 688,980, with no remainder.
Since 688,980 cannot be divided by just 1 and 688,980, it is not a prime number.