Q: Is 1,066,391 a Composite Number?
A: Yes, 1,066,391 is a composite number.
The number 1,066,391 can be evenly divided by 1 313 3,407 and 1,066,391, with no remainder.
Since 1,066,391 cannot be divided by just 1 and 1,066,391, it is a composite number.