Q: Is 1,978,221 a Composite Number?
A: Yes, 1,978,221 is a composite number.
The number 1,978,221 can be evenly divided by 1 3 7 21 94,201 282,603 659,407 and 1,978,221, with no remainder.
Since 1,978,221 cannot be divided by just 1 and 1,978,221, it is a composite number.