Q: Is 231,321,209 a Prime Number?

 A: No, 231,321,209 is not a prime number.

Why is 231,321,209 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 231321209 can be evenly divided by 1 7 43 49 101 301 707 1,087 2,107 4,343 4,949 7,609 30,401 46,741 53,263 109,787 212,807 327,187 768,509 2,290,309 4,720,841 5,379,563 33,045,887 and 231,321,209, with no remainder.

Since 231,321,209 cannot be divided by just 1 and 231,321,209, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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