Q: Is 821,680 a Composite Number?

 A: Yes, 821,680 is a composite number.

Why is 821,680 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 821,680 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 10,271 20,542 41,084 51,355 82,168 102,710 164,336 205,420 410,840 and 821,680, with no remainder.

Since 821,680 cannot be divided by just 1 and 821,680, it is a composite number.


More Examples

Number 821,678821,679821,681821,682
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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