Q: Is 18,438 a Composite Number?
A: Yes, 18,438 is a composite number.
The number 18,438 can be evenly divided by 1 2 3 6 7 14 21 42 439 878 1,317 2,634 3,073 6,146 9,219 and 18,438, with no remainder.
Since 18,438 cannot be divided by just 1 and 18,438, it is a composite number.