Q: Is 320,160 a Composite Number?

Why is 320,160 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 320,160 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 23 24 29 30 32 40 46 48 58 60 69 80 87 92 96 115 116 120 138 145 160 174 184 230 232 240 276 290 345 348 368 435 460 464 480 552 580 667 690 696 736 870 920 928 1,104 1,160 1,334 1,380 1,392 1,740 1,840 2,001 2,208 2,320 2,668 2,760 2,784 3,335 3,480 3,680 4,002 4,640 5,336 5,520 6,670 6,960 8,004 10,005 10,672 11,040 13,340 13,920 16,008 20,010 21,344 26,680 32,016 40,020 53,360 64,032 80,040 106,720 160,080 and 320,160, with no remainder.

Since 320,160 cannot be divided by just 1 and 320,160, 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).