Q: Is 143,115 a Composite Number?
A: Yes, 143,115 is a composite number.
The number 143,115 can be evenly divided by 1 3 5 7 15 21 29 35 47 87 105 141 145 203 235 329 435 609 705 987 1,015 1,363 1,645 3,045 4,089 4,935 6,815 9,541 20,445 28,623 47,705 and 143,115, with no remainder.
Since 143,115 cannot be divided by just 1 and 143,115, it is a composite number.