Q: Is 21,001,113 a Composite Number?

 A: Yes, 21,001,113 is a composite number.

Why is 21,001,113 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 21,001,113 can be evenly divided by 1 3 7 9 21 27 63 81 189 567 37,039 111,117 259,273 333,351 777,819 1,000,053 2,333,457 3,000,159 7,000,371 and 21,001,113, with no remainder.

Since 21,001,113 cannot be divided by just 1 and 21,001,113, it is a composite number.


More Examples

Number 21,001,11121,001,11221,001,11421,001,115
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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