Q: Is 2,107,575 a Composite Number?

Why is 2,107,575 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 2,107,575 can be evenly divided by 1 3 5 9 15 17 19 25 29 45 51 57 75 85 87 95 145 153 171 225 255 261 285 323 425 435 475 493 551 725 765 855 969 1,275 1,305 1,425 1,479 1,615 1,653 2,175 2,465 2,755 2,907 3,825 4,275 4,437 4,845 4,959 6,525 7,395 8,075 8,265 9,367 12,325 13,775 14,535 22,185 24,225 24,795 28,101 36,975 41,325 46,835 72,675 84,303 110,925 123,975 140,505 234,175 421,515 702,525 and 2,107,575, with no remainder.

Since 2,107,575 cannot be divided by just 1 and 2,107,575, 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).