Q: Is 21,212,420 a Composite Number?

 A: Yes, 21,212,420 is a composite number.

Why is 21,212,420 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 21,212,420 can be evenly divided by 1 2 4 5 10 20 1,060,621 2,121,242 4,242,484 5,303,105 10,606,210 and 21,212,420, with no remainder.

Since 21,212,420 cannot be divided by just 1 and 21,212,420, it is a composite number.


More Examples

Number 21,212,41821,212,41921,212,42121,212,422
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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