Q: Is 2,638,721 a Composite Number?
A: Yes, 2,638,721 is a composite number.
The number 2,638,721 can be evenly divided by 1 23 47 1,081 2,441 56,143 114,727 and 2,638,721, with no remainder.
Since 2,638,721 cannot be divided by just 1 and 2,638,721, it is a composite number.