Q: Is 3,178,812 a Composite Number?

Why is 3,178,812 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 3,178,812 can be evenly divided by 1 2 3 4 6 7 12 13 14 21 26 28 39 41 42 52 71 78 82 84 91 123 142 156 164 182 213 246 273 284 287 364 426 492 497 533 546 574 852 861 923 994 1,066 1,092 1,148 1,491 1,599 1,722 1,846 1,988 2,132 2,769 2,911 2,982 3,198 3,444 3,692 3,731 5,538 5,822 5,964 6,396 6,461 7,462 8,733 11,076 11,193 11,644 12,922 14,924 17,466 19,383 20,377 22,386 25,844 34,932 37,843 38,766 40,754 44,772 61,131 75,686 77,532 81,508 113,529 122,262 151,372 227,058 244,524 264,901 454,116 529,802 794,703 1,059,604 1,589,406 and 3,178,812, with no remainder.

Since 3,178,812 cannot be divided by just 1 and 3,178,812, 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).