Q: Is 400,965 a Prime Number?

A: No, 400,965 is not a prime number.

Why is 400,965 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 400965 can be evenly divided by 1 3 5 15 26,731 80,193 133,655 and 400,965, with no remainder.

Since 400,965 cannot be divided by just 1 and 400,965, it is not a prime number.

Number	400,963	400,964	400,966	400,967
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