Q: Is 278,124 a Composite Number?

Why is 278,124 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 278,124 can be evenly divided by 1 2 3 4 6 7 11 12 14 21 22 28 33 42 43 44 49 66 77 84 86 98 129 132 147 154 172 196 231 258 294 301 308 462 473 516 539 588 602 903 924 946 1,078 1,204 1,419 1,617 1,806 1,892 2,107 2,156 2,838 3,234 3,311 3,612 4,214 5,676 6,321 6,468 6,622 8,428 9,933 12,642 13,244 19,866 23,177 25,284 39,732 46,354 69,531 92,708 139,062 and 278,124, with no remainder.

Since 278,124 cannot be divided by just 1 and 278,124, 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).