Q: Is 220,221,009 a Prime Number?

 A: No, 220,221,009 is not a prime number.

Why is 220,221,009 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 220221009 can be evenly divided by 1 3 9 17 51 153 691 2,073 2,083 6,219 6,249 11,747 18,747 35,241 35,411 105,723 106,233 318,699 1,439,353 4,318,059 12,954,177 24,469,001 73,407,003 and 220,221,009, with no remainder.

Since 220,221,009 cannot be divided by just 1 and 220,221,009, it is not a prime number.


More Examples

Number 220,221,007220,221,008220,221,010220,221,011
Prime? yesnonono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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