Q: Is 1,200,000 a Prime Number?
A: No, 1,200,000 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 1200000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 128 150 160 192 200 240 250 300 320 375 384 400 480 500 600 625 640 750 800 960 1,000 1,200 1,250 1,500 1,600 1,875 1,920 2,000 2,400 2,500 3,000 3,125 3,200 3,750 4,000 4,800 5,000 6,000 6,250 7,500 8,000 9,375 9,600 10,000 12,000 12,500 15,000 16,000 18,750 20,000 24,000 25,000 30,000 37,500 40,000 48,000 50,000 60,000 75,000 80,000 100,000 120,000 150,000 200,000 240,000 300,000 400,000 600,000 and 1,200,000, with no remainder.
Since 1,200,000 cannot be divided by just 1 and 1,200,000, it is not a prime number.