Q: Is 80,640,168 a Composite Number?

Why is 80,640,168 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 80,640,168 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 37 42 56 74 84 111 148 168 222 259 296 444 518 777 888 1,036 1,554 2,072 3,108 6,216 12,973 25,946 38,919 51,892 77,838 90,811 103,784 155,676 181,622 272,433 311,352 363,244 480,001 544,866 726,488 960,002 1,089,732 1,440,003 1,920,004 2,179,464 2,880,006 3,360,007 3,840,008 5,760,012 6,720,014 10,080,021 11,520,024 13,440,028 20,160,042 26,880,056 40,320,084 and 80,640,168, with no remainder.

Since 80,640,168 cannot be divided by just 1 and 80,640,168, 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).