Q: Is 121,158 a Prime Number?
A: No, 121,158 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 121158 can be evenly divided by 1 2 3 6 9 18 53 106 127 159 254 318 381 477 762 954 1,143 2,286 6,731 13,462 20,193 40,386 60,579 and 121,158, with no remainder.
Since 121,158 cannot be divided by just 1 and 121,158, it is not a prime number.