Q: Is 121,121 a Prime Number?
A: No, 121,121 is 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 121121 can be evenly divided by 1 7 11 13 77 91 121 143 847 1,001 1,331 1,573 9,317 11,011 17,303 and 121,121, with no remainder.
Since 121,121 cannot be divided by just 1 and 121,121, it is not a prime number.