Q: Is 231,198 a Prime Number?
A: No, 231,198 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 231198 can be evenly divided by 1 2 3 6 11 22 31 33 62 66 93 113 186 226 339 341 678 682 1,023 1,243 2,046 2,486 3,503 3,729 7,006 7,458 10,509 21,018 38,533 77,066 115,599 and 231,198, with no remainder.
Since 231,198 cannot be divided by just 1 and 231,198, it is not a prime number.