Q: Is 1,211,020 a Prime Number?
A: No, 1,211,020 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 1211020 can be evenly divided by 1 2 4 5 10 20 151 302 401 604 755 802 1,510 1,604 2,005 3,020 4,010 8,020 60,551 121,102 242,204 302,755 605,510 and 1,211,020, with no remainder.
Since 1,211,020 cannot be divided by just 1 and 1,211,020, it is not a prime number.