Q: Is 386,421 a Composite Number?
A: Yes, 386,421 is a composite number.
The number 386,421 can be evenly divided by 1 3 7 21 18,401 55,203 128,807 and 386,421, with no remainder.
Since 386,421 cannot be divided by just 1 and 386,421, it is a composite number.