Q: Is 321,531 a Composite Number?

 A: Yes, 321,531 is a composite number.

Why is 321,531 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 321,531 can be evenly divided by 1 3 7 21 61 183 251 427 753 1,281 1,757 5,271 15,311 45,933 107,177 and 321,531, with no remainder.

Since 321,531 cannot be divided by just 1 and 321,531, it is a composite number.


More Examples

Number 321,529321,530321,532321,533
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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