Q: Is 42,123,253 a Prime Number?

 A: No, 42,123,253 is not a prime number.

Why is 42,123,253 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 42123253 can be evenly divided by 1 137 349 881 47,813 120,697 307,469 and 42,123,253, with no remainder.

Since 42,123,253 cannot be divided by just 1 and 42,123,253, it is not a prime number.


More Examples

Number 42,123,25142,123,25242,123,25442,123,255
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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