Q: Is 42,403,421 a Prime Number?

 A: No, 42,403,421 is not a prime number.

Why is 42,403,421 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 42403421 can be evenly divided by 1 19 23 361 437 5,107 8,303 97,033 117,461 1,843,627 2,231,759 and 42,403,421, with no remainder.

Since 42,403,421 cannot be divided by just 1 and 42,403,421, it is not a prime number.


More Examples

Number 42,403,41942,403,42042,403,42242,403,423
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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