Q: Is 642,138 a Composite Number?
A: Yes, 642,138 is a composite number.
The number 642,138 can be evenly divided by 1 2 3 6 7 14 21 42 15,289 30,578 45,867 91,734 107,023 214,046 321,069 and 642,138, with no remainder.
Since 642,138 cannot be divided by just 1 and 642,138, it is a composite number.