Q: Is 31,309 a Prime Number?

A: No, 31,309 is not a prime number.

Why is 31,309 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 31309 can be evenly divided by 1 131 239 and 31,309, with no remainder.

Since 31,309 cannot be divided by just 1 and 31,309, it is not a prime number.

Number	31,307	31,308	31,310	31,311
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