Q: Is 11,505 a Prime Number?

A: No, 11,505 is not a prime number.

Why is 11,505 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 11505 can be evenly divided by 1 3 5 13 15 39 59 65 177 195 295 767 885 2,301 3,835 and 11,505, with no remainder.

Since 11,505 cannot be divided by just 1 and 11,505, it is not a prime number.

Number	11,503	11,504	11,506	11,507
Prime?	yes	no	no	no

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

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