Q: Is 21,020,121 a Composite Number?

 A: Yes, 21,020,121 is a composite number.

Why is 21,020,121 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 21,020,121 can be evenly divided by 1 3 9 27 778,523 2,335,569 7,006,707 and 21,020,121, with no remainder.

Since 21,020,121 cannot be divided by just 1 and 21,020,121, it is a composite number.


More Examples

Number 21,020,11921,020,12021,020,12221,020,123
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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