Q: Is 168,168 a Composite Number?

Why is 168,168 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 168,168 can be evenly divided by 1 2 3 4 6 7 8 11 12 13 14 21 22 24 26 28 33 39 42 44 49 52 56 66 77 78 84 88 91 98 104 132 143 147 154 156 168 182 196 231 264 273 286 294 308 312 364 392 429 462 539 546 572 588 616 637 728 858 924 1,001 1,078 1,092 1,144 1,176 1,274 1,617 1,716 1,848 1,911 2,002 2,156 2,184 2,548 3,003 3,234 3,432 3,822 4,004 4,312 5,096 6,006 6,468 7,007 7,644 8,008 12,012 12,936 14,014 15,288 21,021 24,024 28,028 42,042 56,056 84,084 and 168,168, with no remainder.

Since 168,168 cannot be divided by just 1 and 168,168, 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).