Q: Is 21,920 a Composite Number?

 A: Yes, 21,920 is a composite number.

Why is 21,920 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 21,920 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 137 160 274 548 685 1,096 1,370 2,192 2,740 4,384 5,480 10,960 and 21,920, with no remainder.

Since 21,920 cannot be divided by just 1 and 21,920, it is a composite number.


More Examples

Number 21,91821,91921,92121,922
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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