Q: Is 1,538,428 a Prime Number?
A: No, 1,538,428 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 1538428 can be evenly divided by 1 2 4 71 142 284 5,417 10,834 21,668 384,607 769,214 and 1,538,428, with no remainder.
Since 1,538,428 cannot be divided by just 1 and 1,538,428, it is not a prime number.