Q: Is 1,728,000 a Composite Number?

Why is 1,728,000 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 1,728,000 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 96 100 108 120 125 128 135 144 150 160 180 192 200 216 225 240 250 256 270 288 300 320 360 375 384 400 432 450 480 500 512 540 576 600 640 675 720 750 768 800 864 900 960 1,000 1,080 1,125 1,152 1,200 1,280 1,350 1,440 1,500 1,536 1,600 1,728 1,800 1,920 2,000 2,160 2,250 2,304 2,400 2,560 2,700 2,880 3,000 3,200 3,375 3,456 3,600 3,840 4,000 4,320 4,500 4,608 4,800 5,400 5,760 6,000 6,400 6,750 6,912 7,200 7,680 8,000 8,640 9,000 9,600 10,800 11,520 12,000 12,800 13,500 13,824 14,400 16,000 17,280 18,000 19,200 21,600 23,040 24,000 27,000 28,800 32,000 34,560 36,000 38,400 43,200 48,000 54,000 57,600 64,000 69,120 72,000 86,400 96,000 108,000 115,200 144,000 172,800 192,000 216,000 288,000 345,600 432,000 576,000 864,000 and 1,728,000, with no remainder.

Since 1,728,000 cannot be divided by just 1 and 1,728,000, 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).