Q: Is 4,021,005 a Prime Number?
A: No, 4,021,005 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 4021005 can be evenly divided by 1 3 5 15 67 201 335 1,005 4,001 12,003 20,005 60,015 268,067 804,201 1,340,335 and 4,021,005, with no remainder.
Since 4,021,005 cannot be divided by just 1 and 4,021,005, it is not a prime number.