Q: Is 3,043,278 a Composite Number?

Why is 3,043,278 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 3,043,278 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 54 63 83 97 126 166 189 194 249 291 378 498 581 582 679 747 873 1,162 1,358 1,494 1,743 1,746 2,037 2,241 2,619 3,486 4,074 4,482 5,229 5,238 6,111 8,051 10,458 12,222 15,687 16,102 18,333 24,153 31,374 36,666 48,306 56,357 72,459 112,714 144,918 169,071 217,377 338,142 434,754 507,213 1,014,426 1,521,639 and 3,043,278, with no remainder.

Since 3,043,278 cannot be divided by just 1 and 3,043,278, 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).