Q: Is 42,121,145 a Prime Number?

 A: No, 42,121,145 is not a prime number.

Why is 42,121,145 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 42121145 can be evenly divided by 1 5 11 41 55 205 451 2,255 18,679 93,395 205,469 765,839 1,027,345 3,829,195 8,424,229 and 42,121,145, with no remainder.

Since 42,121,145 cannot be divided by just 1 and 42,121,145, it is not a prime number.


More Examples

Number 42,121,14342,121,14442,121,14642,121,147
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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