Q: Is 123,211,123 a Prime Number?

 A: No, 123,211,123 is not a prime number.

Why is 123,211,123 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 123211123 can be evenly divided by 1 7 421 2,947 41,809 292,663 17,601,589 and 123,211,123, with no remainder.

Since 123,211,123 cannot be divided by just 1 and 123,211,123, it is not a prime number.


More Examples

Number 123,211,121123,211,122123,211,124123,211,125
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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