Q: Is 978,159 a Prime Number?

A: No, 978,159 is not a prime number.

Why is 978,159 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 978159 can be evenly divided by 1 3 7 13 21 39 91 273 3,583 10,749 25,081 46,579 75,243 139,737 326,053 and 978,159, with no remainder.

Since 978,159 cannot be divided by just 1 and 978,159, it is not a prime number.

Number	978,157	978,158	978,160	978,161
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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