Q: Is 421,200 a Composite Number?

Why is 421,200 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 421,200 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 36 39 40 45 48 50 52 54 60 65 72 75 78 80 81 90 100 104 108 117 120 130 135 144 150 156 162 180 195 200 208 216 225 234 240 260 270 300 312 324 325 351 360 390 400 405 432 450 468 520 540 585 600 624 648 650 675 702 720 780 810 900 936 975 1,040 1,053 1,080 1,170 1,200 1,296 1,300 1,350 1,404 1,560 1,620 1,755 1,800 1,872 1,950 2,025 2,106 2,160 2,340 2,600 2,700 2,808 2,925 3,120 3,240 3,510 3,600 3,900 4,050 4,212 4,680 5,200 5,265 5,400 5,616 5,850 6,480 7,020 7,800 8,100 8,424 8,775 9,360 10,530 10,800 11,700 14,040 15,600 16,200 16,848 17,550 21,060 23,400 26,325 28,080 32,400 35,100 42,120 46,800 52,650 70,200 84,240 105,300 140,400 210,600 and 421,200, with no remainder.

Since 421,200 cannot be divided by just 1 and 421,200, 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).