Q: Is 2,115,021 a Prime Number?
A: No, 2,115,021 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 2115021 can be evenly divided by 1 3 17 51 113 339 367 1,101 1,921 5,763 6,239 18,717 41,471 124,413 705,007 and 2,115,021, with no remainder.
Since 2,115,021 cannot be divided by just 1 and 2,115,021, it is not a prime number.