Q: Is 2,124,675 a Composite Number?

Why is 2,124,675 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 2,124,675 can be evenly divided by 1 3 5 7 9 15 19 21 25 35 45 57 63 71 75 95 105 133 171 175 213 225 285 315 355 399 475 497 525 639 665 855 1,065 1,197 1,349 1,425 1,491 1,575 1,775 1,995 2,485 3,195 3,325 4,047 4,275 4,473 5,325 5,985 6,745 7,455 9,443 9,975 12,141 12,425 15,975 20,235 22,365 28,329 29,925 33,725 37,275 47,215 60,705 84,987 101,175 111,825 141,645 236,075 303,525 424,935 708,225 and 2,124,675, with no remainder.

Since 2,124,675 cannot be divided by just 1 and 2,124,675, 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).