Q: Is 140,005 a Prime Number?

A: No, 140,005 is not a prime number.

Why is 140,005 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 140005 can be evenly divided by 1 5 28,001 and 140,005, with no remainder.

Since 140,005 cannot be divided by just 1 and 140,005, it is not a prime number.

Number	140,003	140,004	140,006	140,007
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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