Q: Is 1,284,480 a Composite Number?

Why is 1,284,480 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 1,284,480 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 80 90 96 120 128 144 160 180 192 223 240 288 320 360 384 446 480 576 640 669 720 892 960 1,115 1,152 1,338 1,440 1,784 1,920 2,007 2,230 2,676 2,880 3,345 3,568 4,014 4,460 5,352 5,760 6,690 7,136 8,028 8,920 10,035 10,704 13,380 14,272 16,056 17,840 20,070 21,408 26,760 28,544 32,112 35,680 40,140 42,816 53,520 64,224 71,360 80,280 85,632 107,040 128,448 142,720 160,560 214,080 256,896 321,120 428,160 642,240 and 1,284,480, with no remainder.

Since 1,284,480 cannot be divided by just 1 and 1,284,480, 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).