Q: Is 1,820 a Composite Number?

 A: Yes, 1,820 is a composite number.

Why is 1,820 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 1,820 can be evenly divided by 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 and 1,820, with no remainder.

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


More Examples

Number 1,8181,8191,8211,822
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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