Q: Is 1,105,272 a Composite Number?

Why is 1,105,272 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 1,105,272 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 17 18 21 24 27 28 34 36 42 43 51 54 56 63 68 72 84 86 102 108 119 126 129 136 153 168 172 189 204 216 238 252 258 301 306 344 357 378 387 408 459 476 504 516 602 612 714 731 756 774 903 918 952 1,032 1,071 1,161 1,204 1,224 1,428 1,462 1,512 1,548 1,806 1,836 2,142 2,193 2,322 2,408 2,709 2,856 2,924 3,096 3,213 3,612 3,672 4,284 4,386 4,644 5,117 5,418 5,848 6,426 6,579 7,224 8,127 8,568 8,772 9,288 10,234 10,836 12,852 13,158 15,351 16,254 17,544 19,737 20,468 21,672 25,704 26,316 30,702 32,508 39,474 40,936 46,053 52,632 61,404 65,016 78,948 92,106 122,808 138,159 157,896 184,212 276,318 368,424 552,636 and 1,105,272, with no remainder.

Since 1,105,272 cannot be divided by just 1 and 1,105,272, 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).