Q: Is 309,820 a Composite Number?

 A: Yes, 309,820 is a composite number.

Why is 309,820 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 309,820 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 2,213 4,426 8,852 11,065 15,491 22,130 30,982 44,260 61,964 77,455 154,910 and 309,820, with no remainder.

Since 309,820 cannot be divided by just 1 and 309,820, it is a composite number.


More Examples

Number 309,818309,819309,821309,822
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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