Q: Is 12,120,320 a Composite Number?

Why is 12,120,320 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 12,120,320 can be evenly divided by 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 256 272 320 340 544 557 640 680 1,088 1,114 1,280 1,360 2,176 2,228 2,720 2,785 4,352 4,456 5,440 5,570 8,912 9,469 10,880 11,140 17,824 18,938 21,760 22,280 35,648 37,876 44,560 47,345 71,296 75,752 89,120 94,690 142,592 151,504 178,240 189,380 303,008 356,480 378,760 606,016 712,960 757,520 1,212,032 1,515,040 2,424,064 3,030,080 6,060,160 and 12,120,320, with no remainder.

Since 12,120,320 cannot be divided by just 1 and 12,120,320, 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).