Q: Is 21,408,216 a Composite Number?

 A: Yes, 21,408,216 is a composite number.

Why is 21,408,216 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 21,408,216 can be evenly divided by 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 38,783 77,566 116,349 155,132 232,698 310,264 465,396 892,009 930,792 1,784,018 2,676,027 3,568,036 5,352,054 7,136,072 10,704,108 and 21,408,216, with no remainder.

Since 21,408,216 cannot be divided by just 1 and 21,408,216, it is a composite number.


More Examples

Number 21,408,21421,408,21521,408,21721,408,218
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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