Q: Is 1,003,221 a Prime Number?

 A: No, 1,003,221 is not a prime number.

Why is 1,003,221 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 1003221 can be evenly divided by 1 3 9 17 51 79 83 153 237 249 711 747 1,343 1,411 4,029 4,233 6,557 12,087 12,699 19,671 59,013 111,469 334,407 and 1,003,221, with no remainder.

Since 1,003,221 cannot be divided by just 1 and 1,003,221, it is not a prime number.


More Examples

Number 1,003,2191,003,2201,003,2221,003,223
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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