Q: Is 109,788 a Prime Number?

A: No, 109,788 is not a prime number.

Why is 109,788 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 109788 can be evenly divided by 1 2 3 4 6 7 12 14 21 28 42 84 1,307 2,614 3,921 5,228 7,842 9,149 15,684 18,298 27,447 36,596 54,894 and 109,788, with no remainder.

Since 109,788 cannot be divided by just 1 and 109,788, it is not a prime number.

Number	109,786	109,787	109,789	109,790
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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