Q: Is 218,725 a Prime Number?

A: No, 218,725 is not a prime number.

Why is 218,725 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 218725 can be evenly divided by 1 5 13 25 65 325 673 3,365 8,749 16,825 43,745 and 218,725, with no remainder.

Since 218,725 cannot be divided by just 1 and 218,725, it is not a prime number.

Number	218,723	218,724	218,726	218,727
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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