Q: Is 1,478,428 a Prime Number?
A: No, 1,478,428 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 1478428 can be evenly divided by 1 2 4 7 14 19 28 38 49 76 98 133 196 266 397 532 794 931 1,588 1,862 2,779 3,724 5,558 7,543 11,116 15,086 19,453 30,172 38,906 52,801 77,812 105,602 211,204 369,607 739,214 and 1,478,428, with no remainder.
Since 1,478,428 cannot be divided by just 1 and 1,478,428, it is not a prime number.