Q: Is 162,009 a Prime Number?

A: No, 162,009 is not a prime number.

Why is 162,009 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 162009 can be evenly divided by 1 3 9 47 141 383 423 1,149 3,447 18,001 54,003 and 162,009, with no remainder.

Since 162,009 cannot be divided by just 1 and 162,009, it is not a prime number.

Number	162,007	162,008	162,010	162,011
Prime?	yes	no	no	yes

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

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