Q: Is 1,020,005 a Prime Number?
A: No, 1,020,005 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 1020005 can be evenly divided by 1 5 7 35 151 193 755 965 1,057 1,351 5,285 6,755 29,143 145,715 204,001 and 1,020,005, with no remainder.
Since 1,020,005 cannot be divided by just 1 and 1,020,005, it is not a prime number.