Q: Is 123,789 a Prime Number?

A: No, 123,789 is not a prime number.

Why is 123,789 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 123789 can be evenly divided by 1 3 41,263 and 123,789, with no remainder.

Since 123,789 cannot be divided by just 1 and 123,789, it is not a prime number.

Number	123,787	123,788	123,790	123,791
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).

General Questions

Factoring Questions

Calculation Questions

Miscellaneous Questions