Q: Is 161,721 a Composite Number?

 A: Yes, 161,721 is a composite number.

Why is 161,721 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 161,721 can be evenly divided by 1 3 7 9 17 21 51 63 119 151 153 357 453 1,057 1,071 1,359 2,567 3,171 7,701 9,513 17,969 23,103 53,907 and 161,721, with no remainder.

Since 161,721 cannot be divided by just 1 and 161,721, it is a composite number.


More Examples

Number 161,719161,720161,722161,723
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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