Q: Is 42,421,216 a Prime Number?

 A: No, 42,421,216 is not a prime number.

Why is 42,421,216 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 42421216 can be evenly divided by 1 2 4 8 16 32 1,325,663 2,651,326 5,302,652 10,605,304 21,210,608 and 42,421,216, with no remainder.

Since 42,421,216 cannot be divided by just 1 and 42,421,216, it is not a prime number.


More Examples

Number 42,421,21442,421,21542,421,21742,421,218
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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