Q: Is 21,420,801 a Composite Number?

 A: Yes, 21,420,801 is a composite number.

Why is 21,420,801 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 21,420,801 can be evenly divided by 1 3 9 27 97 291 873 2,619 8,179 24,537 73,611 220,833 793,363 2,380,089 7,140,267 and 21,420,801, with no remainder.

Since 21,420,801 cannot be divided by just 1 and 21,420,801, it is a composite number.


More Examples

Number 21,420,79921,420,80021,420,80221,420,803
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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