Q: Is 121,131 a Prime Number?
A: No, 121,131 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 121131 can be evenly divided by 1 3 9 43 129 313 387 939 2,817 13,459 40,377 and 121,131, with no remainder.
Since 121,131 cannot be divided by just 1 and 121,131, it is not a prime number.