Q: Is 79,721,320 a Composite Number?

Why is 79,721,320 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 79,721,320 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 101 140 202 280 404 505 707 808 1,010 1,414 2,020 2,819 2,828 3,535 4,040 5,638 5,656 7,070 11,276 14,095 14,140 19,733 22,552 28,190 28,280 39,466 56,380 78,932 98,665 112,760 157,864 197,330 284,719 394,660 569,438 789,320 1,138,876 1,423,595 1,993,033 2,277,752 2,847,190 3,986,066 5,694,380 7,972,132 9,965,165 11,388,760 15,944,264 19,930,330 39,860,660 and 79,721,320, with no remainder.

Since 79,721,320 cannot be divided by just 1 and 79,721,320, 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).