Q: Is 20,875 a Prime Number?

A: No, 20,875 is not a prime number.

Why is 20,875 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 20875 can be evenly divided by 1 5 25 125 167 835 4,175 and 20,875, with no remainder.

Since 20,875 cannot be divided by just 1 and 20,875, it is not a prime number.

Number	20,873	20,874	20,876	20,877
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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