Q: Is 42,421,255 a Prime Number?

 A: No, 42,421,255 is not a prime number.

Why is 42,421,255 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 42421255 can be evenly divided by 1 5 8,484,251 and 42,421,255, with no remainder.

Since 42,421,255 cannot be divided by just 1 and 42,421,255, it is not a prime number.


More Examples

Number 42,421,25342,421,25442,421,25642,421,257
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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