Q: Is 978,278 a Prime Number?

A: No, 978,278 is not a prime number.

Why is 978,278 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 978278 can be evenly divided by 1 2 7 14 69,877 139,754 489,139 and 978,278, with no remainder.

Since 978,278 cannot be divided by just 1 and 978,278, it is not a prime number.

Number	978,276	978,277	978,279	978,280
Prime?	no	yes	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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