Q: Is 105,909 a Prime Number?

A: No, 105,909 is not a prime number.

Why is 105,909 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 105909 can be evenly divided by 1 3 43 129 821 2,463 35,303 and 105,909, with no remainder.

Since 105,909 cannot be divided by just 1 and 105,909, it is not a prime number.

Number	105,907	105,908	105,910	105,911
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).

General Questions

Factoring Questions

Calculation Questions

Miscellaneous Questions