Q: Is 1,155,143 a Composite Number?
A: Yes, 1,155,143 is a composite number.
The number 1,155,143 can be evenly divided by 1 11 19 209 5,527 60,797 105,013 and 1,155,143, with no remainder.
Since 1,155,143 cannot be divided by just 1 and 1,155,143, it is a composite number.