Q: Is 420,987 a Prime Number?

 A: No, 420,987 is not a prime number.

Why is 420,987 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 420987 can be evenly divided by 1 3 7 21 20,047 60,141 140,329 and 420,987, with no remainder.

Since 420,987 cannot be divided by just 1 and 420,987, it is not a prime number.


More Examples

Number 420,985420,986420,988420,989
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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