Q: Is 7,764,390 a Composite Number?

Why is 7,764,390 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 7,764,390 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 149 193 270 298 386 447 579 745 894 965 1,158 1,341 1,490 1,737 1,930 2,235 2,682 2,895 3,474 4,023 4,470 5,211 5,790 6,705 8,046 8,685 10,422 13,410 17,370 20,115 26,055 28,757 40,230 52,110 57,514 86,271 143,785 172,542 258,813 287,570 431,355 517,626 776,439 862,710 1,294,065 1,552,878 2,588,130 3,882,195 and 7,764,390, with no remainder.

Since 7,764,390 cannot be divided by just 1 and 7,764,390, 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).