Q: Is 5,430,021 a Prime Number?
A: No, 5,430,021 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 5430021 can be evenly divided by 1 3 17 51 289 867 6,263 18,789 106,471 319,413 1,810,007 and 5,430,021, with no remainder.
Since 5,430,021 cannot be divided by just 1 and 5,430,021, it is not a prime number.