Q: Is 21,123,010 a Composite Number?

 A: Yes, 21,123,010 is a composite number.

Why is 21,123,010 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 21,123,010 can be evenly divided by 1 2 5 10 17 34 85 170 289 578 1,445 2,890 7,309 14,618 36,545 73,090 124,253 248,506 621,265 1,242,530 2,112,301 4,224,602 10,561,505 and 21,123,010, with no remainder.

Since 21,123,010 cannot be divided by just 1 and 21,123,010, it is a composite number.


More Examples

Number 21,123,00821,123,00921,123,01121,123,012
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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