Q: Is 4,782,378 a Prime Number?
A: No, 4,782,378 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 4782378 can be evenly divided by 1 2 3 6 797,063 1,594,126 2,391,189 and 4,782,378, with no remainder.
Since 4,782,378 cannot be divided by just 1 and 4,782,378, it is not a prime number.