Q: Is 1,521,828 a Composite Number?

Why is 1,521,828 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 1,521,828 can be evenly divided by 1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 61 63 66 77 81 84 99 108 122 126 132 154 162 183 189 198 231 244 252 297 308 324 366 378 396 427 462 549 567 594 671 693 732 756 854 891 924 1,098 1,134 1,188 1,281 1,342 1,386 1,647 1,708 1,782 2,013 2,079 2,196 2,268 2,562 2,684 2,772 3,294 3,564 3,843 4,026 4,158 4,697 4,941 5,124 6,039 6,237 6,588 7,686 8,052 8,316 9,394 9,882 11,529 12,078 12,474 14,091 15,372 18,117 18,788 19,764 23,058 24,156 24,948 28,182 34,587 36,234 42,273 46,116 54,351 56,364 69,174 72,468 84,546 108,702 126,819 138,348 169,092 217,404 253,638 380,457 507,276 760,914 and 1,521,828, with no remainder.

Since 1,521,828 cannot be divided by just 1 and 1,521,828, 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).