Q: Is 648,480 a Composite Number?

Why is 648,480 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 648,480 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 193 210 224 240 280 336 386 420 480 560 579 672 772 840 965 1,120 1,158 1,351 1,544 1,680 1,930 2,316 2,702 2,895 3,088 3,360 3,860 4,053 4,632 5,404 5,790 6,176 6,755 7,720 8,106 9,264 10,808 11,580 13,510 15,440 16,212 18,528 20,265 21,616 23,160 27,020 30,880 32,424 40,530 43,232 46,320 54,040 64,848 81,060 92,640 108,080 129,696 162,120 216,160 324,240 and 648,480, with no remainder.

Since 648,480 cannot be divided by just 1 and 648,480, 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).