Q: Is 2,800,428 a Prime Number?
A: No, 2,800,428 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 2800428 can be evenly divided by 1 2 3 4 6 12 109 218 327 436 654 1,308 2,141 4,282 6,423 8,564 12,846 25,692 233,369 466,738 700,107 933,476 1,400,214 and 2,800,428, with no remainder.
Since 2,800,428 cannot be divided by just 1 and 2,800,428, it is not a prime number.