Q: Is 215,472,825 a Composite Number?

Why is 215,472,825 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 215,472,825 can be evenly divided by 1 3 5 9 15 19 25 27 45 53 57 75 95 135 159 171 225 265 285 317 475 477 513 675 795 855 951 1,007 1,325 1,425 1,431 1,585 2,385 2,565 2,853 3,021 3,975 4,275 4,755 5,035 6,023 7,155 7,925 8,559 9,063 11,925 12,825 14,265 15,105 16,801 18,069 23,775 25,175 27,189 30,115 35,775 42,795 45,315 50,403 54,207 71,325 75,525 84,005 90,345 135,945 150,575 151,209 162,621 213,975 226,575 252,015 271,035 319,219 420,025 451,725 453,627 679,725 756,045 813,105 957,657 1,260,075 1,355,175 1,596,095 2,268,135 2,872,971 3,780,225 4,065,525 4,788,285 7,980,475 8,618,913 11,340,675 14,364,855 23,941,425 43,094,565 71,824,275 and 215,472,825, with no remainder.

Since 215,472,825 cannot be divided by just 1 and 215,472,825, 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).