Q: Is 15,403,122 a Composite Number?

Why is 15,403,122 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 15,403,122 can be evenly divided by 1 2 3 6 7 9 14 17 18 21 27 34 42 47 51 54 63 81 94 102 119 126 141 153 162 189 238 282 289 306 329 357 378 423 459 567 578 658 714 799 846 867 918 987 1,071 1,134 1,269 1,377 1,598 1,734 1,974 2,023 2,142 2,397 2,538 2,601 2,754 2,961 3,213 3,807 4,046 4,794 5,202 5,593 5,922 6,069 6,426 7,191 7,614 7,803 8,883 9,639 11,186 12,138 13,583 14,382 15,606 16,779 17,766 18,207 19,278 21,573 23,409 26,649 27,166 33,558 36,414 40,749 43,146 46,818 50,337 53,298 54,621 64,719 81,498 95,081 100,674 109,242 122,247 129,438 151,011 163,863 190,162 244,494 285,243 302,022 327,726 366,741 453,033 570,486 733,482 855,729 906,066 1,100,223 1,711,458 2,200,446 2,567,187 5,134,374 7,701,561 and 15,403,122, with no remainder.

Since 15,403,122 cannot be divided by just 1 and 15,403,122, 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).