Q: Is 21,123,100 a Composite Number?

 A: Yes, 21,123,100 is a composite number.

Why is 21,123,100 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 21,123,100 can be evenly divided by 1 2 4 5 10 20 25 50 100 211,231 422,462 844,924 1,056,155 2,112,310 4,224,620 5,280,775 10,561,550 and 21,123,100, with no remainder.

Since 21,123,100 cannot be divided by just 1 and 21,123,100, it is a composite number.


More Examples

Number 21,123,09821,123,09921,123,10121,123,102
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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