Q: Is 642,422 a Prime Number?

 A: No, 642,422 is not a prime number.

Why is 642,422 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 642422 can be evenly divided by 1 2 11 22 29,201 58,402 321,211 and 642,422, with no remainder.

Since 642,422 cannot be divided by just 1 and 642,422, it is not a prime number.


More Examples

Number 642,420642,421642,423642,424
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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