Q: Is 21,221,067 a Composite Number?

 A: Yes, 21,221,067 is a composite number.

Why is 21,221,067 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 21,221,067 can be evenly divided by 1 3 7 21 41 49 123 147 287 343 503 861 1,029 1,509 2,009 3,521 6,027 10,563 14,063 20,623 24,647 42,189 61,869 73,941 144,361 172,529 433,083 517,587 1,010,527 3,031,581 7,073,689 and 21,221,067, with no remainder.

Since 21,221,067 cannot be divided by just 1 and 21,221,067, it is a composite number.


More Examples

Number 21,221,06521,221,06621,221,06821,221,069
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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