Q: Is 1,231,845 a Prime Number?
A: No, 1,231,845 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 1231845 can be evenly divided by 1 3 5 15 41 123 205 615 2,003 6,009 10,015 30,045 82,123 246,369 410,615 and 1,231,845, with no remainder.
Since 1,231,845 cannot be divided by just 1 and 1,231,845, it is not a prime number.