Q: Is 400,218 a Composite Number?
A: Yes, 400,218 is a composite number.
The number 400,218 can be evenly divided by 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 733 1,466 2,199 4,398 5,131 9,529 10,262 15,393 19,058 28,587 30,786 57,174 66,703 133,406 200,109 and 400,218, with no remainder.
Since 400,218 cannot be divided by just 1 and 400,218, it is a composite number.