Q: Is 78,508 a Prime Number?

A: No, 78,508 is not a prime number.

Why is 78,508 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 78508 can be evenly divided by 1 2 4 19 38 76 1,033 2,066 4,132 19,627 39,254 and 78,508, with no remainder.

Since 78,508 cannot be divided by just 1 and 78,508, it is not a prime number.

Number	78,506	78,507	78,509	78,510
Prime?	no	no	yes	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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