Q: Is 403,998 a Prime Number?
A: No, 403,998 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 403998 can be evenly divided by 1 2 3 6 7 14 21 42 9,619 19,238 28,857 57,714 67,333 134,666 201,999 and 403,998, with no remainder.
Since 403,998 cannot be divided by just 1 and 403,998, it is not a prime number.