Q: Is 1,122,121 a Prime Number?

 A: No, 1,122,121 is not a prime number.

Why is 1,122,121 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 1122121 can be evenly divided by 1 7 11 13 19 59 77 91 133 143 209 247 413 649 767 1,001 1,121 1,463 1,729 2,717 4,543 5,369 7,847 8,437 12,331 14,573 19,019 59,059 86,317 102,011 160,303 and 1,122,121, with no remainder.

Since 1,122,121 cannot be divided by just 1 and 1,122,121, it is not a prime number.


More Examples

Number 1,122,1191,122,1201,122,1221,122,123
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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