Q: Is 21,242,420 a Composite Number?

 A: Yes, 21,242,420 is a composite number.

Why is 21,242,420 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 21,242,420 can be evenly divided by 1 2 4 5 10 20 1,062,121 2,124,242 4,248,484 5,310,605 10,621,210 and 21,242,420, with no remainder.

Since 21,242,420 cannot be divided by just 1 and 21,242,420, it is a composite number.


More Examples

Number 21,242,41821,242,41921,242,42121,242,422
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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