Q: Is 280,800 a Composite Number?

Why is 280,800 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 280,800 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 27 30 32 36 39 40 45 48 50 52 54 60 65 72 75 78 80 90 96 100 104 108 117 120 130 135 144 150 156 160 180 195 200 208 216 225 234 240 260 270 288 300 312 325 351 360 390 400 416 432 450 468 480 520 540 585 600 624 650 675 702 720 780 800 864 900 936 975 1,040 1,080 1,170 1,200 1,248 1,300 1,350 1,404 1,440 1,560 1,755 1,800 1,872 1,950 2,080 2,160 2,340 2,400 2,600 2,700 2,808 2,925 3,120 3,510 3,600 3,744 3,900 4,320 4,680 5,200 5,400 5,616 5,850 6,240 7,020 7,200 7,800 8,775 9,360 10,400 10,800 11,232 11,700 14,040 15,600 17,550 18,720 21,600 23,400 28,080 31,200 35,100 46,800 56,160 70,200 93,600 140,400 and 280,800, with no remainder.

Since 280,800 cannot be divided by just 1 and 280,800, 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).