Q: Is 138,421 a Prime Number?

 A: No, 138,421 is not a prime number.

Why is 138,421 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 138421 can be evenly divided by 1 149 929 and 138,421, with no remainder.

Since 138,421 cannot be divided by just 1 and 138,421, it is not a prime number.


More Examples

Number 138,419138,420138,422138,423
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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