Q: Is 842,400 a Composite Number?

Why is 842,400 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 842,400 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 81 90 96 100 104 108 117 120 130 135 144 150 156 160 162 180 195 200 208 216 225 234 240 260 270 288 300 312 324 325 351 360 390 400 405 416 432 450 468 480 520 540 585 600 624 648 650 675 702 720 780 800 810 864 900 936 975 1,040 1,053 1,080 1,170 1,200 1,248 1,296 1,300 1,350 1,404 1,440 1,560 1,620 1,755 1,800 1,872 1,950 2,025 2,080 2,106 2,160 2,340 2,400 2,592 2,600 2,700 2,808 2,925 3,120 3,240 3,510 3,600 3,744 3,900 4,050 4,212 4,320 4,680 5,200 5,265 5,400 5,616 5,850 6,240 6,480 7,020 7,200 7,800 8,100 8,424 8,775 9,360 10,400 10,530 10,800 11,232 11,700 12,960 14,040 15,600 16,200 16,848 17,550 18,720 21,060 21,600 23,400 26,325 28,080 31,200 32,400 33,696 35,100 42,120 46,800 52,650 56,160 64,800 70,200 84,240 93,600 105,300 140,400 168,480 210,600 280,800 421,200 and 842,400, with no remainder.

Since 842,400 cannot be divided by just 1 and 842,400, 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).