Q: Is 121,338 a Prime Number?
A: No, 121,338 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 121338 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 54 63 81 107 126 162 189 214 321 378 567 642 749 963 1,134 1,498 1,926 2,247 2,889 4,494 5,778 6,741 8,667 13,482 17,334 20,223 40,446 60,669 and 121,338, with no remainder.
Since 121,338 cannot be divided by just 1 and 121,338, it is not a prime number.