Q: Is 3,645,721 a Composite Number?
A: Yes, 3,645,721 is a composite number.
The number 3,645,721 can be evenly divided by 1 37 98,533 and 3,645,721, with no remainder.
Since 3,645,721 cannot be divided by just 1 and 3,645,721, it is a composite number.