Q: Is 687,842 a Prime Number?

 A: No, 687,842 is not a prime number.

Why is 687,842 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 687842 can be evenly divided by 1 2 239 478 1,439 2,878 343,921 and 687,842, with no remainder.

Since 687,842 cannot be divided by just 1 and 687,842, it is not a prime number.


More Examples

Number 687,840687,841687,843687,844
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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