Q: Is 7,728,426 a Prime Number?
A: No, 7,728,426 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 7728426 can be evenly divided by 1 2 3 6 9 18 27 54 167 334 501 857 1,002 1,503 1,714 2,571 3,006 4,509 5,142 7,713 9,018 15,426 23,139 46,278 143,119 286,238 429,357 858,714 1,288,071 2,576,142 3,864,213 and 7,728,426, with no remainder.
Since 7,728,426 cannot be divided by just 1 and 7,728,426, it is not a prime number.