Q: Is 990,421 a Prime Number?

 A: No, 990,421 is not a prime number.

Why is 990,421 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 990421 can be evenly divided by 1 521 1,901 and 990,421, with no remainder.

Since 990,421 cannot be divided by just 1 and 990,421, it is not a prime number.


More Examples

Number 990,419990,420990,422990,423
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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