Q: Is 31,421 a Prime Number?

A: No, 31,421 is not a prime number.

Why is 31,421 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 31421 can be evenly divided by 1 13 2,417 and 31,421, with no remainder.

Since 31,421 cannot be divided by just 1 and 31,421, it is not a prime number.

Number	31,419	31,420	31,422	31,423
Prime?	no	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