Q: Is 168,720 a Composite Number?

Why is 168,720 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 168,720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 37 38 40 48 57 60 74 76 80 95 111 114 120 148 152 185 190 222 228 240 285 296 304 370 380 444 456 555 570 592 703 740 760 888 912 1,110 1,140 1,406 1,480 1,520 1,776 2,109 2,220 2,280 2,812 2,960 3,515 4,218 4,440 4,560 5,624 7,030 8,436 8,880 10,545 11,248 14,060 16,872 21,090 28,120 33,744 42,180 56,240 84,360 and 168,720, with no remainder.

Since 168,720 cannot be divided by just 1 and 168,720, 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).