Q: Is 142,857 a Composite Number?
A: Yes, 142,857 is a composite number.
The number 142,857 can be evenly divided by 1 3 9 11 13 27 33 37 39 99 111 117 143 297 333 351 407 429 481 999 1,221 1,287 1,443 3,663 3,861 4,329 5,291 10,989 12,987 15,873 47,619 and 142,857, with no remainder.
Since 142,857 cannot be divided by just 1 and 142,857, it is a composite number.