Q: Is 17,655,680 a Composite Number?

Why is 17,655,680 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 17,655,680 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 280 320 392 448 490 560 563 640 784 896 980 1,120 1,126 1,568 1,960 2,240 2,252 2,815 3,136 3,920 3,941 4,480 4,504 5,630 6,272 7,840 7,882 9,008 11,260 15,680 15,764 18,016 19,705 22,520 27,587 31,360 31,528 36,032 39,410 45,040 55,174 63,056 72,064 78,820 90,080 110,348 126,112 137,935 157,640 180,160 220,696 252,224 275,870 315,280 360,320 441,392 504,448 551,740 630,560 882,784 1,103,480 1,261,120 1,765,568 2,206,960 2,522,240 3,531,136 4,413,920 8,827,840 and 17,655,680, with no remainder.

Since 17,655,680 cannot be divided by just 1 and 17,655,680, 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).