Q: Is 140,405 a Prime Number?

A: No, 140,405 is not a prime number.

Why is 140,405 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 140405 can be evenly divided by 1 5 28,081 and 140,405, with no remainder.

Since 140,405 cannot be divided by just 1 and 140,405, it is not a prime number.

Number	140,403	140,404	140,406	140,407
Prime?	no	no	no	yes

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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