Q: Is 21,721,016 a Composite Number?

 A: Yes, 21,721,016 is a composite number.

Why is 21,721,016 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 21,721,016 can be evenly divided by 1 2 4 8 23 46 92 97 184 194 388 776 1,217 2,231 2,434 4,462 4,868 8,924 9,736 17,848 27,991 55,982 111,964 118,049 223,928 236,098 472,196 944,392 2,715,127 5,430,254 10,860,508 and 21,721,016, with no remainder.

Since 21,721,016 cannot be divided by just 1 and 21,721,016, it is a composite number.


More Examples

Number 21,721,01421,721,01521,721,01721,721,018
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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