Q: Is 820,971 a Prime Number?

A: No, 820,971 is not a prime number.

Why is 820,971 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 820971 can be evenly divided by 1 3 9 19 57 171 4,801 14,403 43,209 91,219 273,657 and 820,971, with no remainder.

Since 820,971 cannot be divided by just 1 and 820,971, it is not a prime number.

Number	820,969	820,970	820,972	820,973
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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