Q: Is 13,128,528 a Composite Number?

Why is 13,128,528 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 13,128,528 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 41 42 48 56 82 84 112 123 164 168 246 287 328 336 492 574 656 861 953 984 1,148 1,722 1,906 1,968 2,296 2,859 3,444 3,812 4,592 5,718 6,671 6,888 7,624 11,436 13,342 13,776 15,248 20,013 22,872 26,684 39,073 40,026 45,744 53,368 78,146 80,052 106,736 117,219 156,292 160,104 234,438 273,511 312,584 320,208 468,876 547,022 625,168 820,533 937,752 1,094,044 1,641,066 1,875,504 2,188,088 3,282,132 4,376,176 6,564,264 and 13,128,528, with no remainder.

Since 13,128,528 cannot be divided by just 1 and 13,128,528, 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).