Q: Is 2,160,000 a Composite Number?

Why is 2,160,000 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 2,160,000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 90 96 100 108 120 125 128 135 144 150 160 180 192 200 216 225 240 250 270 288 300 320 360 375 384 400 432 450 480 500 540 576 600 625 640 675 720 750 800 864 900 960 1,000 1,080 1,125 1,152 1,200 1,250 1,350 1,440 1,500 1,600 1,728 1,800 1,875 1,920 2,000 2,160 2,250 2,400 2,500 2,700 2,880 3,000 3,200 3,375 3,456 3,600 3,750 4,000 4,320 4,500 4,800 5,000 5,400 5,625 5,760 6,000 6,750 7,200 7,500 8,000 8,640 9,000 9,600 10,000 10,800 11,250 12,000 13,500 14,400 15,000 16,000 16,875 17,280 18,000 20,000 21,600 22,500 24,000 27,000 28,800 30,000 33,750 36,000 40,000 43,200 45,000 48,000 54,000 60,000 67,500 72,000 80,000 86,400 90,000 108,000 120,000 135,000 144,000 180,000 216,000 240,000 270,000 360,000 432,000 540,000 720,000 1,080,000 and 2,160,000, with no remainder.

Since 2,160,000 cannot be divided by just 1 and 2,160,000, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).