Q: Is 1,378,643 a Composite Number?
A: Yes, 1,378,643 is a composite number.
The number 1,378,643 can be evenly divided by 1 7 23 161 8,563 59,941 196,949 and 1,378,643, with no remainder.
Since 1,378,643 cannot be divided by just 1 and 1,378,643, it is a composite number.