Q: Is 7,720,740 a Composite Number?

Why is 7,720,740 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 7,720,740 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 59 60 90 118 177 180 236 295 354 531 590 708 727 885 1,062 1,180 1,454 1,770 2,124 2,181 2,655 2,908 3,540 3,635 4,362 5,310 6,543 7,270 8,724 10,620 10,905 13,086 14,540 21,810 26,172 32,715 42,893 43,620 65,430 85,786 128,679 130,860 171,572 214,465 257,358 386,037 428,930 514,716 643,395 772,074 857,860 1,286,790 1,544,148 1,930,185 2,573,580 3,860,370 and 7,720,740, with no remainder.

Since 7,720,740 cannot be divided by just 1 and 7,720,740, 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).