Q: Is 5,643,320 a Composite Number?

Why is 5,643,320 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 5,643,320 can be evenly divided by 1 2 4 5 8 10 17 20 34 40 43 68 85 86 136 170 172 193 215 340 344 386 430 680 731 772 860 965 1,462 1,544 1,720 1,930 2,924 3,281 3,655 3,860 5,848 6,562 7,310 7,720 8,299 13,124 14,620 16,405 16,598 26,248 29,240 32,810 33,196 41,495 65,620 66,392 82,990 131,240 141,083 165,980 282,166 331,960 564,332 705,415 1,128,664 1,410,830 2,821,660 and 5,643,320, with no remainder.

Since 5,643,320 cannot be divided by just 1 and 5,643,320, 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).