Q: Is 247,821 a Prime Number?

 A: No, 247,821 is not a prime number.

Why is 247,821 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 247821 can be evenly divided by 1 3 7 21 11,801 35,403 82,607 and 247,821, with no remainder.

Since 247,821 cannot be divided by just 1 and 247,821, it is not a prime number.


More Examples

Number 247,819247,820247,822247,823
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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