Q: Is 1,517,724 a Composite Number?

Why is 1,517,724 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 1,517,724 can be evenly divided by 1 2 3 4 6 9 12 13 18 23 26 27 36 39 46 47 52 54 69 78 92 94 108 117 138 141 156 188 207 234 276 282 299 351 414 423 468 564 598 611 621 702 828 846 897 1,081 1,196 1,222 1,242 1,269 1,404 1,692 1,794 1,833 2,162 2,444 2,484 2,538 2,691 3,243 3,588 3,666 4,324 5,076 5,382 5,499 6,486 7,332 8,073 9,729 10,764 10,998 12,972 14,053 16,146 16,497 19,458 21,996 28,106 29,187 32,292 32,994 38,916 42,159 56,212 58,374 65,988 84,318 116,748 126,477 168,636 252,954 379,431 505,908 758,862 and 1,517,724, with no remainder.

Since 1,517,724 cannot be divided by just 1 and 1,517,724, 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).