Q: Is 21,102,123 a Composite Number?

 A: Yes, 21,102,123 is a composite number.

Why is 21,102,123 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 21,102,123 can be evenly divided by 1 3 7 21 71 213 497 1,491 14,153 42,459 99,071 297,213 1,004,863 3,014,589 7,034,041 and 21,102,123, with no remainder.

Since 21,102,123 cannot be divided by just 1 and 21,102,123, it is a composite number.


More Examples

Number 21,102,12121,102,12221,102,12421,102,125
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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