Q: Is 42,399 a Composite Number?
A: Yes, 42,399 is a composite number.
The number 42,399 can be evenly divided by 1 3 7 9 21 63 673 2,019 4,711 6,057 14,133 and 42,399, with no remainder.
Since 42,399 cannot be divided by just 1 and 42,399, it is a composite number.