Q: Is 16,718,520 a Composite Number?

Why is 16,718,520 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 16,718,520 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 70 78 84 91 104 105 120 130 140 156 168 182 195 210 260 273 280 312 364 390 420 455 520 546 728 780 840 910 1,092 1,365 1,531 1,560 1,820 2,184 2,730 3,062 3,640 4,593 5,460 6,124 7,655 9,186 10,717 10,920 12,248 15,310 18,372 19,903 21,434 22,965 30,620 32,151 36,744 39,806 42,868 45,930 53,585 59,709 61,240 64,302 79,612 85,736 91,860 99,515 107,170 119,418 128,604 139,321 159,224 160,755 183,720 199,030 214,340 238,836 257,208 278,642 298,545 321,510 398,060 417,963 428,680 477,672 557,284 597,090 643,020 696,605 796,120 835,926 1,114,568 1,194,180 1,286,040 1,393,210 1,671,852 2,089,815 2,388,360 2,786,420 3,343,704 4,179,630 5,572,840 8,359,260 and 16,718,520, with no remainder.

Since 16,718,520 cannot be divided by just 1 and 16,718,520, 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).