Q: Is 1,562,715 a Composite Number?

Why is 1,562,715 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 1,562,715 can be evenly divided by 1 3 5 7 9 11 15 21 33 35 41 45 55 63 77 99 105 121 123 165 205 231 287 315 363 369 385 451 495 605 615 693 847 861 1,089 1,155 1,353 1,435 1,815 1,845 2,255 2,541 2,583 3,157 3,465 4,059 4,235 4,305 4,961 5,445 6,765 7,623 9,471 12,705 12,915 14,883 15,785 20,295 24,805 28,413 34,727 38,115 44,649 47,355 74,415 104,181 142,065 173,635 223,245 312,543 520,905 and 1,562,715, with no remainder.

Since 1,562,715 cannot be divided by just 1 and 1,562,715, 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).