Q: Is 401,988 a Prime Number?
A: No, 401,988 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 401988 can be evenly divided by 1 2 3 4 6 12 139 241 278 417 482 556 723 834 964 1,446 1,668 2,892 33,499 66,998 100,497 133,996 200,994 and 401,988, with no remainder.
Since 401,988 cannot be divided by just 1 and 401,988, it is not a prime number.