Q: Is 1,380,729 a Composite Number?
A: Yes, 1,380,729 is a composite number.
The number 1,380,729 can be evenly divided by 1 3 7 21 37 111 259 777 1,777 5,331 12,439 37,317 65,749 197,247 460,243 and 1,380,729, with no remainder.
Since 1,380,729 cannot be divided by just 1 and 1,380,729, it is a composite number.