Q: Is 31,143 a Composite Number?
A: Yes, 31,143 is a composite number.
The number 31,143 can be evenly divided by 1 3 7 21 1,483 4,449 10,381 and 31,143, with no remainder.
Since 31,143 cannot be divided by just 1 and 31,143, it is a composite number.