Q: Is 42,121,557 a Prime Number?

 A: No, 42,121,557 is not a prime number.

Why is 42,121,557 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 42121557 can be evenly divided by 1 3 9 4,680,173 14,040,519 and 42,121,557, with no remainder.

Since 42,121,557 cannot be divided by just 1 and 42,121,557, it is not a prime number.


More Examples

Number 42,121,55542,121,55642,121,55842,121,559
Prime? nononoyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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