Q: Is 1,428,708 a Prime Number?
A: No, 1,428,708 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 1428708 can be evenly divided by 1 2 3 4 6 12 67 134 201 268 402 804 1,777 3,554 5,331 7,108 10,662 21,324 119,059 238,118 357,177 476,236 714,354 and 1,428,708, with no remainder.
Since 1,428,708 cannot be divided by just 1 and 1,428,708, it is not a prime number.