Q: Is 123,008 a Prime Number?

A: No, 123,008 is not a prime number.

Why is 123,008 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 123008 can be evenly divided by 1 2 4 8 16 31 32 62 64 124 128 248 496 961 992 1,922 1,984 3,844 3,968 7,688 15,376 30,752 61,504 and 123,008, with no remainder.

Since 123,008 cannot be divided by just 1 and 123,008, it is not a prime number.

Number	123,006	123,007	123,009	123,010
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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