Q: Is 100,855 a Prime Number?

A: No, 100,855 is not a prime number.

Why is 100,855 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 100855 can be evenly divided by 1 5 23 115 877 4,385 20,171 and 100,855, with no remainder.

Since 100,855 cannot be divided by just 1 and 100,855, it is not a prime number.

Number	100,853	100,854	100,856	100,857
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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