Q: Is 1,997,109 a Prime Number?

 A: No, 1,997,109 is not a prime number.

Why is 1,997,109 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 1997109 can be evenly divided by 1 3 9 17 19 27 51 57 153 171 229 323 459 513 687 969 2,061 2,907 3,893 4,351 6,183 8,721 11,679 13,053 35,037 39,159 73,967 105,111 117,477 221,901 665,703 and 1,997,109, with no remainder.

Since 1,997,109 cannot be divided by just 1 and 1,997,109, it is not a prime number.


More Examples

Number 1,997,1071,997,1081,997,1101,997,111
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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