Q: Is 121,111,101 a Prime Number?

 A: No, 121,111,101 is not a prime number.

Why is 121,111,101 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 121111101 can be evenly divided by 1 3 9 37 111 333 367 991 1,101 2,973 3,303 8,919 13,579 36,667 40,737 110,001 122,211 330,003 363,697 1,091,091 3,273,273 13,456,789 40,370,367 and 121,111,101, with no remainder.

Since 121,111,101 cannot be divided by just 1 and 121,111,101, it is not a prime number.


More Examples

Number 121,111,099121,111,100121,111,102121,111,103
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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