Q: Is 42,312,221 a Prime Number?

 A: No, 42,312,221 is not a prime number.

Why is 42,312,221 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 42312221 can be evenly divided by 1 7 19 133 318,137 2,226,959 6,044,603 and 42,312,221, with no remainder.

Since 42,312,221 cannot be divided by just 1 and 42,312,221, it is not a prime number.


More Examples

Number 42,312,21942,312,22042,312,22242,312,223
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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