Q: Is 550,000 a Prime Number?
A: No, 550,000 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 550000 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 625 880 1,000 1,100 1,250 1,375 2,000 2,200 2,500 2,750 3,125 4,400 5,000 5,500 6,250 6,875 10,000 11,000 12,500 13,750 22,000 25,000 27,500 34,375 50,000 55,000 68,750 110,000 137,500 275,000 and 550,000, with no remainder.
Since 550,000 cannot be divided by just 1 and 550,000, it is not a prime number.