Q: Is 1,317,680 a Composite Number?

Why is 1,317,680 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 1,317,680 can be evenly divided by 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 181 182 208 260 280 362 364 455 520 560 724 728 905 910 1,040 1,267 1,448 1,456 1,810 1,820 2,353 2,534 2,896 3,620 3,640 4,706 5,068 6,335 7,240 7,280 9,412 10,136 11,765 12,670 14,480 16,471 18,824 20,272 23,530 25,340 32,942 37,648 47,060 50,680 65,884 82,355 94,120 101,360 131,768 164,710 188,240 263,536 329,420 658,840 and 1,317,680, with no remainder.

Since 1,317,680 cannot be divided by just 1 and 1,317,680, 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).