Q: Is 40,406 a Prime Number?

A: No, 40,406 is not a prime number.

Why is 40,406 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 40406 can be evenly divided by 1 2 89 178 227 454 20,203 and 40,406, with no remainder.

Since 40,406 cannot be divided by just 1 and 40,406, it is not a prime number.

Number	40,404	40,405	40,407	40,408
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).

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