Q: Is 1,821,204 a Composite Number?

Why is 1,821,204 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 1,821,204 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 63 66 73 77 81 84 99 108 126 132 146 154 162 189 198 219 231 252 292 297 308 324 378 396 438 462 511 567 594 657 693 756 803 876 891 924 1,022 1,134 1,188 1,314 1,386 1,533 1,606 1,782 1,971 2,044 2,079 2,268 2,409 2,628 2,772 3,066 3,212 3,564 3,942 4,158 4,599 4,818 5,621 5,913 6,132 6,237 7,227 7,884 8,316 9,198 9,636 11,242 11,826 12,474 13,797 14,454 16,863 18,396 21,681 22,484 23,652 24,948 27,594 28,908 33,726 41,391 43,362 50,589 55,188 65,043 67,452 82,782 86,724 101,178 130,086 151,767 165,564 202,356 260,172 303,534 455,301 607,068 910,602 and 1,821,204, with no remainder.

Since 1,821,204 cannot be divided by just 1 and 1,821,204, 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).