Q: Is 1,200,220 a Prime Number?
A: No, 1,200,220 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 1200220 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 8,573 17,146 34,292 42,865 60,011 85,730 120,022 171,460 240,044 300,055 600,110 and 1,200,220, with no remainder.
Since 1,200,220 cannot be divided by just 1 and 1,200,220, it is not a prime number.