Q: Is 1,105,005 a Prime Number?

 A: No, 1,105,005 is not a prime number.

Why is 1,105,005 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 1105005 can be evenly divided by 1 3 5 11 15 33 37 55 111 165 181 185 407 543 555 905 1,221 1,991 2,035 2,715 5,973 6,105 6,697 9,955 20,091 29,865 33,485 73,667 100,455 221,001 368,335 and 1,105,005, with no remainder.

Since 1,105,005 cannot be divided by just 1 and 1,105,005, it is not a prime number.


More Examples

Number 1,105,0031,105,0041,105,0061,105,007
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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