Q: Is 820,629 a Prime Number?

A: No, 820,629 is not a prime number.

Why is 820,629 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 820629 can be evenly divided by 1 3 9 19 57 171 4,799 14,397 43,191 91,181 273,543 and 820,629, with no remainder.

Since 820,629 cannot be divided by just 1 and 820,629, it is not a prime number.

Number	820,627	820,628	820,630	820,631
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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