Q: Is 5,428,021 a Prime Number?
A: No, 5,428,021 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 5428021 can be evenly divided by 1 71 89 859 6,319 60,989 76,451 and 5,428,021, with no remainder.
Since 5,428,021 cannot be divided by just 1 and 5,428,021, it is not a prime number.