Q: Is 420,138 a Composite Number?

 A: Yes, 420,138 is a composite number.

Why is 420,138 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 420,138 can be evenly divided by 1 2 3 6 9 17 18 34 51 102 153 306 1,373 2,746 4,119 8,238 12,357 23,341 24,714 46,682 70,023 140,046 210,069 and 420,138, with no remainder.

Since 420,138 cannot be divided by just 1 and 420,138, it is a composite number.


More Examples

Number 420,136420,137420,139420,140
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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