Q: Is 21,090 a Composite Number?

 A: Yes, 21,090 is a composite number.

Why is 21,090 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 21,090 can be evenly divided by 1 2 3 5 6 10 15 19 30 37 38 57 74 95 111 114 185 190 222 285 370 555 570 703 1,110 1,406 2,109 3,515 4,218 7,030 10,545 and 21,090, with no remainder.

Since 21,090 cannot be divided by just 1 and 21,090, it is a composite number.


More Examples

Number 21,08821,08921,09121,092
Composite? yesnoyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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