Q: Is 231,220,421 a Prime Number?

 A: Yes, 231,220,421 is a prime number.

Why is 231,220,421 a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 231220421 can be evenly divided by 1 and 231,220,421, with no remainder.

Since 231,220,421 can be divided by just 1 and 231,220,421, it is a prime number.


More Examples

Number 231,220,419231,220,420231,220,422231,220,423
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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