Q: Is 21,221,010 a Composite Number?

 A: Yes, 21,221,010 is a composite number.

Why is 21,221,010 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 21,221,010 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 45 90 235,789 471,578 707,367 1,178,945 1,414,734 2,122,101 2,357,890 3,536,835 4,244,202 7,073,670 10,610,505 and 21,221,010, with no remainder.

Since 21,221,010 cannot be divided by just 1 and 21,221,010, it is a composite number.


More Examples

Number 21,221,00821,221,00921,221,01121,221,012
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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