Q: Is 316,005 a Prime Number?

A: No, 316,005 is not a prime number.

Why is 316,005 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 316005 can be evenly divided by 1 3 5 15 21,067 63,201 105,335 and 316,005, with no remainder.

Since 316,005 cannot be divided by just 1 and 316,005, it is not a prime number.

Number	316,003	316,004	316,006	316,007
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).

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