Q: Is 31,143,143 a Prime Number?

 A: No, 31,143,143 is not a prime number.

Why is 31,143,143 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 31143143 can be evenly divided by 1 79 479 823 37,841 65,017 394,217 and 31,143,143, with no remainder.

Since 31,143,143 cannot be divided by just 1 and 31,143,143, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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