Q: Is 142,443 a Composite Number?
A: Yes, 142,443 is a composite number.
The number 142,443 can be evenly divided by 1 3 7 9 17 19 21 49 51 57 63 119 133 147 153 171 323 357 399 441 833 931 969 1,071 1,197 2,261 2,499 2,793 2,907 6,783 7,497 8,379 15,827 20,349 47,481 and 142,443, with no remainder.
Since 142,443 cannot be divided by just 1 and 142,443, it is a composite number.