Q: Is 1,428,000 a Composite Number?

Why is 1,428,000 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 1,428,000 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 25 28 30 32 34 35 40 42 48 50 51 56 60 68 70 75 80 84 85 96 100 102 105 112 119 120 125 136 140 150 160 168 170 175 200 204 210 224 238 240 250 255 272 280 300 336 340 350 357 375 400 408 420 425 476 480 500 510 525 544 560 595 600 672 680 700 714 750 800 816 840 850 875 952 1,000 1,020 1,050 1,120 1,190 1,200 1,275 1,360 1,400 1,428 1,500 1,632 1,680 1,700 1,750 1,785 1,904 2,000 2,040 2,100 2,125 2,380 2,400 2,550 2,625 2,720 2,800 2,856 2,975 3,000 3,360 3,400 3,500 3,570 3,808 4,000 4,080 4,200 4,250 4,760 5,100 5,250 5,600 5,712 5,950 6,000 6,375 6,800 7,000 7,140 8,160 8,400 8,500 8,925 9,520 10,200 10,500 11,424 11,900 12,000 12,750 13,600 14,000 14,280 14,875 16,800 17,000 17,850 19,040 20,400 21,000 23,800 25,500 28,000 28,560 29,750 34,000 35,700 40,800 42,000 44,625 47,600 51,000 57,120 59,500 68,000 71,400 84,000 89,250 95,200 102,000 119,000 142,800 178,500 204,000 238,000 285,600 357,000 476,000 714,000 and 1,428,000, with no remainder.

Since 1,428,000 cannot be divided by just 1 and 1,428,000, 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).