Q: Is 1,121,643 a Composite Number?
A: Yes, 1,121,643 is a composite number.
The number 1,121,643 can be evenly divided by 1 3 9 17 51 153 7,331 21,993 65,979 124,627 373,881 and 1,121,643, with no remainder.
Since 1,121,643 cannot be divided by just 1 and 1,121,643, it is a composite number.