Q: Is 1,228,620 a Prime Number?
A: No, 1,228,620 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 1228620 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 20,477 40,954 61,431 81,908 102,385 122,862 204,770 245,724 307,155 409,540 614,310 and 1,228,620, with no remainder.
Since 1,228,620 cannot be divided by just 1 and 1,228,620, it is not a prime number.