Q: Is 108,378 a Prime Number?
A: No, 108,378 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 108378 can be evenly divided by 1 2 3 6 9 18 27 54 81 162 223 243 446 486 669 1,338 2,007 4,014 6,021 12,042 18,063 36,126 54,189 and 108,378, with no remainder.
Since 108,378 cannot be divided by just 1 and 108,378, it is not a prime number.