Q: Is 393,120 a Composite Number?

Why is 393,120 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 393,120 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 52 54 56 60 63 65 70 72 78 80 84 90 91 96 104 105 108 112 117 120 126 130 135 140 144 156 160 168 180 182 189 195 208 210 216 224 234 240 252 260 270 273 280 288 312 315 336 351 360 364 378 390 416 420 432 455 468 480 504 520 540 546 560 585 624 630 672 702 720 728 756 780 819 840 864 910 936 945 1,008 1,040 1,080 1,092 1,120 1,170 1,248 1,260 1,365 1,404 1,440 1,456 1,512 1,560 1,638 1,680 1,755 1,820 1,872 1,890 2,016 2,080 2,160 2,184 2,340 2,457 2,520 2,730 2,808 2,912 3,024 3,120 3,276 3,360 3,510 3,640 3,744 3,780 4,095 4,320 4,368 4,680 4,914 5,040 5,460 5,616 6,048 6,240 6,552 7,020 7,280 7,560 8,190 8,736 9,360 9,828 10,080 10,920 11,232 12,285 13,104 14,040 14,560 15,120 16,380 18,720 19,656 21,840 24,570 26,208 28,080 30,240 32,760 39,312 43,680 49,140 56,160 65,520 78,624 98,280 131,040 196,560 and 393,120, with no remainder.

Since 393,120 cannot be divided by just 1 and 393,120, 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).