Q: Is 42,458,121 a Prime Number?

 A: No, 42,458,121 is not a prime number.

Why is 42,458,121 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 42458121 can be evenly divided by 1 3 9 27 487 1,461 3,229 4,383 9,687 13,149 29,061 87,183 1,572,523 4,717,569 14,152,707 and 42,458,121, with no remainder.

Since 42,458,121 cannot be divided by just 1 and 42,458,121, it is not a prime number.


More Examples

Number 42,458,11942,458,12042,458,12242,458,123
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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