Q: Is 664,401 a Composite Number?
A: Yes, 664,401 is a composite number.
The number 664,401 can be evenly divided by 1 3 23 69 9,629 28,887 221,467 and 664,401, with no remainder.
Since 664,401 cannot be divided by just 1 and 664,401, it is a composite number.