Q: Is 400,014 a Prime Number?
A: No, 400,014 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 400014 can be evenly divided by 1 2 3 6 9 18 71 142 213 313 426 626 639 939 1,278 1,878 2,817 5,634 22,223 44,446 66,669 133,338 200,007 and 400,014, with no remainder.
Since 400,014 cannot be divided by just 1 and 400,014, it is not a prime number.