Q: Is 231,978 a Prime Number?
A: No, 231,978 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 231978 can be evenly divided by 1 2 3 6 23 41 46 69 82 123 138 246 943 1,681 1,886 2,829 3,362 5,043 5,658 10,086 38,663 77,326 115,989 and 231,978, with no remainder.
Since 231,978 cannot be divided by just 1 and 231,978, it is not a prime number.