Q: Is 5,556,500 a Prime Number?
A: No, 5,556,500 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 5556500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 500 11,113 22,226 44,452 55,565 111,130 222,260 277,825 555,650 1,111,300 1,389,125 2,778,250 and 5,556,500, with no remainder.
Since 5,556,500 cannot be divided by just 1 and 5,556,500, it is not a prime number.