Q: Is 401,684 a Prime Number?
A: No, 401,684 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 401684 can be evenly divided by 1 2 4 137 274 548 733 1,466 2,932 100,421 200,842 and 401,684, with no remainder.
Since 401,684 cannot be divided by just 1 and 401,684, it is not a prime number.