Q: Is 420,480 a Composite Number?

Why is 420,480 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 420,480 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 73 80 90 96 120 128 144 146 160 180 192 219 240 288 292 320 360 365 384 438 480 576 584 640 657 720 730 876 960 1,095 1,152 1,168 1,314 1,440 1,460 1,752 1,920 2,190 2,336 2,628 2,880 2,920 3,285 3,504 4,380 4,672 5,256 5,760 5,840 6,570 7,008 8,760 9,344 10,512 11,680 13,140 14,016 17,520 21,024 23,360 26,280 28,032 35,040 42,048 46,720 52,560 70,080 84,096 105,120 140,160 210,240 and 420,480, with no remainder.

Since 420,480 cannot be divided by just 1 and 420,480, 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).