Q: Is 1,380,005 a Prime Number?

 A: No, 1,380,005 is not a prime number.

Why is 1,380,005 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 1380005 can be evenly divided by 1 5 11 55 121 605 2,281 11,405 25,091 125,455 276,001 and 1,380,005, with no remainder.

Since 1,380,005 cannot be divided by just 1 and 1,380,005, it is not a prime number.


More Examples

Number 1,380,0031,380,0041,380,0061,380,007
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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