Q: Is 1,342,428 a Prime Number?
A: No, 1,342,428 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 1342428 can be evenly divided by 1 2 3 4 6 12 111,869 223,738 335,607 447,476 671,214 and 1,342,428, with no remainder.
Since 1,342,428 cannot be divided by just 1 and 1,342,428, it is not a prime number.