Q: Is 1,201,220 a Prime Number?
A: No, 1,201,220 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 1201220 can be evenly divided by 1 2 4 5 10 17 20 34 68 85 170 340 3,533 7,066 14,132 17,665 35,330 60,061 70,660 120,122 240,244 300,305 600,610 and 1,201,220, with no remainder.
Since 1,201,220 cannot be divided by just 1 and 1,201,220, it is not a prime number.