Q: Is 21,478,642 a Composite Number?

 A: Yes, 21,478,642 is a composite number.

Why is 21,478,642 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 21,478,642 can be evenly divided by 1 2 23 46 173 346 2,699 3,979 5,398 7,958 62,077 124,154 466,927 933,854 10,739,321 and 21,478,642, with no remainder.

Since 21,478,642 cannot be divided by just 1 and 21,478,642, it is a composite number.


More Examples

Number 21,478,64021,478,64121,478,64321,478,644
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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