Q: Is 21,456,421 a Composite Number?

 A: Yes, 21,456,421 is a composite number.

Why is 21,456,421 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 21,456,421 can be evenly divided by 1 7 569 3,983 5,387 37,709 3,065,203 and 21,456,421, with no remainder.

Since 21,456,421 cannot be divided by just 1 and 21,456,421, it is a composite number.


More Examples

Number 21,456,41921,456,42021,456,42221,456,423
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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