Q: Is 9,478,428 a Prime Number?
A: No, 9,478,428 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 9478428 can be evenly divided by 1 2 3 4 6 12 443 886 1,329 1,772 1,783 2,658 3,566 5,316 5,349 7,132 10,698 21,396 789,869 1,579,738 2,369,607 3,159,476 4,739,214 and 9,478,428, with no remainder.
Since 9,478,428 cannot be divided by just 1 and 9,478,428, it is not a prime number.