Q: Is 2,878,134 a Composite Number?

Why is 2,878,134 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 2,878,134 can be evenly divided by 1 2 3 6 7 14 17 21 29 34 42 51 58 87 102 119 139 174 203 238 278 357 406 417 493 609 714 834 973 986 1,218 1,479 1,946 2,363 2,919 2,958 3,451 4,031 4,726 5,838 6,902 7,089 8,062 10,353 12,093 14,178 16,541 20,706 24,186 28,217 33,082 49,623 56,434 68,527 84,651 99,246 137,054 169,302 205,581 411,162 479,689 959,378 1,439,067 and 2,878,134, with no remainder.

Since 2,878,134 cannot be divided by just 1 and 2,878,134, 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).