Q: Is 1,806,480 a Composite Number?

Why is 1,806,480 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 1,806,480 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 104 117 120 130 144 156 180 193 195 208 234 240 260 312 360 386 390 468 520 579 585 624 720 772 780 936 965 1,040 1,158 1,170 1,544 1,560 1,737 1,872 1,930 2,316 2,340 2,509 2,895 3,088 3,120 3,474 3,860 4,632 4,680 5,018 5,790 6,948 7,527 7,720 8,685 9,264 9,360 10,036 11,580 12,545 13,896 15,054 15,440 17,370 20,072 22,581 23,160 25,090 27,792 30,108 34,740 37,635 40,144 45,162 46,320 50,180 60,216 69,480 75,270 90,324 100,360 112,905 120,432 138,960 150,540 180,648 200,720 225,810 301,080 361,296 451,620 602,160 903,240 and 1,806,480, with no remainder.

Since 1,806,480 cannot be divided by just 1 and 1,806,480, 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).