Q: Is 820 a Prime Number?

 A: No, 820 is not a prime number.

Why is 820 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 820 can be evenly divided by 1 2 4 5 10 20 41 82 164 205 410 and 820, with no remainder.

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


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Number 818819821822
Prime? nonoyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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