Q: Is 21,700 a Composite Number?

 A: Yes, 21,700 is a composite number.

Why is 21,700 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 21,700 can be evenly divided by 1 2 4 5 7 10 14 20 25 28 31 35 50 62 70 100 124 140 155 175 217 310 350 434 620 700 775 868 1,085 1,550 2,170 3,100 4,340 5,425 10,850 and 21,700, with no remainder.

Since 21,700 cannot be divided by just 1 and 21,700, it is a composite number.


More Examples

Number 21,69821,69921,70121,702
Composite? yesyesnoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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