Q: Is 1,221,021 a Composite Number?

 A: Yes, 1,221,021 is a composite number.

Why is 1,221,021 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 1,221,021 can be evenly divided by 1 3 9 27 41 123 369 1,103 1,107 3,309 9,927 29,781 45,223 135,669 407,007 and 1,221,021, with no remainder.

Since 1,221,021 cannot be divided by just 1 and 1,221,021, it is a composite number.


More Examples

Number 1,221,0191,221,0201,221,0221,221,023
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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