Q: Is 21,760 a Composite Number?

 A: Yes, 21,760 is a composite number.

Why is 21,760 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 21,760 can be evenly divided by 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 256 272 320 340 544 640 680 1,088 1,280 1,360 2,176 2,720 4,352 5,440 10,880 and 21,760, with no remainder.

Since 21,760 cannot be divided by just 1 and 21,760, it is a composite number.


More Examples

Number 21,75821,75921,76121,762
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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