Q: Is 1,220,121 a Prime Number?

 A: No, 1,220,121 is not a prime number.

Why is 1,220,121 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 1220121 can be evenly divided by 1 3 7 9 21 63 107 181 321 543 749 963 1,267 1,629 2,247 3,801 6,741 11,403 19,367 58,101 135,569 174,303 406,707 and 1,220,121, with no remainder.

Since 1,220,121 cannot be divided by just 1 and 1,220,121, it is not a prime number.


More Examples

Number 1,220,1191,220,1201,220,1221,220,123
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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