Q: Is 4,015 a Prime Number?

A: No, 4,015 is not a prime number.

Why is 4,015 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 4015 can be evenly divided by 1 5 11 55 73 365 803 and 4,015, with no remainder.

Since 4,015 cannot be divided by just 1 and 4,015, it is not a prime number.

Number	4,013	4,014	4,016	4,017
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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