Q: Is 7,680,560 a Composite Number?

Why is 7,680,560 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 7,680,560 can be evenly divided by 1 2 4 5 8 10 16 19 20 31 38 40 62 76 80 95 124 152 155 163 190 248 304 310 326 380 496 589 620 652 760 815 1,178 1,240 1,304 1,520 1,630 2,356 2,480 2,608 2,945 3,097 3,260 4,712 5,053 5,890 6,194 6,520 9,424 10,106 11,780 12,388 13,040 15,485 20,212 23,560 24,776 25,265 30,970 40,424 47,120 49,552 50,530 61,940 80,848 96,007 101,060 123,880 192,014 202,120 247,760 384,028 404,240 480,035 768,056 960,070 1,536,112 1,920,140 3,840,280 and 7,680,560, with no remainder.

Since 7,680,560 cannot be divided by just 1 and 7,680,560, 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).