Q: Is 1,243,304 a Prime Number?
A: No, 1,243,304 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 1243304 can be evenly divided by 1 2 4 8 155,413 310,826 621,652 and 1,243,304, with no remainder.
Since 1,243,304 cannot be divided by just 1 and 1,243,304, it is not a prime number.