Q: Is 21,016,220 a Composite Number?

 A: Yes, 21,016,220 is a composite number.

Why is 21,016,220 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 21,016,220 can be evenly divided by 1 2 4 5 10 20 1,050,811 2,101,622 4,203,244 5,254,055 10,508,110 and 21,016,220, with no remainder.

Since 21,016,220 cannot be divided by just 1 and 21,016,220, it is a composite number.


More Examples

Number 21,016,21821,016,21921,016,22121,016,222
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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