Q: Is 8,657,428 a Prime Number?
A: No, 8,657,428 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 8657428 can be evenly divided by 1 2 4 13 26 29 52 58 116 377 754 1,508 5,741 11,482 22,964 74,633 149,266 166,489 298,532 332,978 665,956 2,164,357 4,328,714 and 8,657,428, with no remainder.
Since 8,657,428 cannot be divided by just 1 and 8,657,428, it is not a prime number.