Q: Is 111,820 a Prime Number?

A: No, 111,820 is not a prime number.

Why is 111,820 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 111820 can be evenly divided by 1 2 4 5 10 20 5,591 11,182 22,364 27,955 55,910 and 111,820, with no remainder.

Since 111,820 cannot be divided by just 1 and 111,820, it is not a prime number.

Number	111,818	111,819	111,821	111,822
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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