Q: Is 221,820 a Composite Number?

 A: Yes, 221,820 is a composite number.

Why is 221,820 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 221,820 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 3,697 7,394 11,091 14,788 18,485 22,182 36,970 44,364 55,455 73,940 110,910 and 221,820, with no remainder.

Since 221,820 cannot be divided by just 1 and 221,820, it is a composite number.


More Examples

Number 221,818221,819221,821221,822
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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