Q: Is 667,988 a Prime Number?
A: No, 667,988 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 667988 can be evenly divided by 1 2 4 31 62 124 5,387 10,774 21,548 166,997 333,994 and 667,988, with no remainder.
Since 667,988 cannot be divided by just 1 and 667,988, it is not a prime number.