Q: Is 1,389,778 a Composite Number?
A: Yes, 1,389,778 is a composite number.
The number 1,389,778 can be evenly divided by 1 2 13 26 53,453 106,906 694,889 and 1,389,778, with no remainder.
Since 1,389,778 cannot be divided by just 1 and 1,389,778, it is a composite number.