Q: Is 121,923 a Prime Number?
A: No, 121,923 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 121923 can be evenly divided by 1 3 9 19 23 31 57 69 93 171 207 279 437 589 713 1,311 1,767 2,139 3,933 5,301 6,417 13,547 40,641 and 121,923, with no remainder.
Since 121,923 cannot be divided by just 1 and 121,923, it is not a prime number.