Q: Is 3,078,378 a Prime Number?
A: No, 3,078,378 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 3078378 can be evenly divided by 1 2 3 6 9 18 27 54 109 218 327 523 654 981 1,046 1,569 1,962 2,943 3,138 4,707 5,886 9,414 14,121 28,242 57,007 114,014 171,021 342,042 513,063 1,026,126 1,539,189 and 3,078,378, with no remainder.
Since 3,078,378 cannot be divided by just 1 and 3,078,378, it is not a prime number.