Q: Is 21,721,101 a Composite Number?

 A: Yes, 21,721,101 is a composite number.

Why is 21,721,101 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 21,721,101 can be evenly divided by 1 3 71 213 101,977 305,931 7,240,367 and 21,721,101, with no remainder.

Since 21,721,101 cannot be divided by just 1 and 21,721,101, it is a composite number.


More Examples

Number 21,721,09921,721,10021,721,10221,721,103
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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