Q: Is 642,138 a Composite Number?

 A: Yes, 642,138 is a composite number.

Why is 642,138 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime 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.


More Examples

Number 642,136642,137642,139642,140
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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