Q: Is 1,381,212 a Composite Number?

Why is 1,381,212 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 1,381,212 can be evenly divided by 1 2 3 4 6 7 9 12 14 18 21 27 28 29 36 42 49 54 58 63 81 84 87 98 108 116 126 147 162 174 189 196 203 243 252 261 294 324 348 378 406 441 486 522 567 588 609 756 783 812 882 972 1,044 1,134 1,218 1,323 1,421 1,566 1,701 1,764 1,827 2,268 2,349 2,436 2,646 2,842 3,132 3,402 3,654 3,969 4,263 4,698 5,292 5,481 5,684 6,804 7,047 7,308 7,938 8,526 9,396 10,962 11,907 12,789 14,094 15,876 16,443 17,052 21,924 23,814 25,578 28,188 32,886 38,367 47,628 49,329 51,156 65,772 76,734 98,658 115,101 153,468 197,316 230,202 345,303 460,404 690,606 and 1,381,212, with no remainder.

Since 1,381,212 cannot be divided by just 1 and 1,381,212, 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).