Q: Is 21,900 a Composite Number?

 A: Yes, 21,900 is a composite number.

Why is 21,900 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 21,900 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 25 30 50 60 73 75 100 146 150 219 292 300 365 438 730 876 1,095 1,460 1,825 2,190 3,650 4,380 5,475 7,300 10,950 and 21,900, with no remainder.

Since 21,900 cannot be divided by just 1 and 21,900, it is a composite number.


More Examples

Number 21,89821,89921,90121,902
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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