Q: Is 68,640,160 a Composite Number?

Why is 68,640,160 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 68,640,160 can be evenly divided by 1 2 4 5 8 10 16 19 20 32 38 40 67 76 80 95 134 152 160 190 268 304 335 337 380 536 608 670 674 760 1,072 1,273 1,340 1,348 1,520 1,685 2,144 2,546 2,680 2,696 3,040 3,370 5,092 5,360 5,392 6,365 6,403 6,740 10,184 10,720 10,784 12,730 12,806 13,480 20,368 22,579 25,460 25,612 26,960 32,015 40,736 45,158 50,920 51,224 53,920 64,030 90,316 101,840 102,448 112,895 128,060 180,632 203,680 204,896 225,790 256,120 361,264 429,001 451,580 512,240 722,528 858,002 903,160 1,024,480 1,716,004 1,806,320 2,145,005 3,432,008 3,612,640 4,290,010 6,864,016 8,580,020 13,728,032 17,160,040 34,320,080 and 68,640,160, with no remainder.

Since 68,640,160 cannot be divided by just 1 and 68,640,160, 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).