Q: Is 28,438,256 a Composite Number?

Why is 28,438,256 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 28,438,256 can be evenly divided by 1 2 4 7 8 11 14 16 22 28 41 44 56 77 82 88 112 154 164 176 287 308 328 451 563 574 616 656 902 1,126 1,148 1,232 1,804 2,252 2,296 3,157 3,608 3,941 4,504 4,592 6,193 6,314 7,216 7,882 9,008 12,386 12,628 15,764 23,083 24,772 25,256 31,528 43,351 46,166 49,544 50,512 63,056 86,702 92,332 99,088 161,581 173,404 184,664 253,913 323,162 346,808 369,328 507,826 646,324 693,616 1,015,652 1,292,648 1,777,391 2,031,304 2,585,296 3,554,782 4,062,608 7,109,564 14,219,128 and 28,438,256, with no remainder.

Since 28,438,256 cannot be divided by just 1 and 28,438,256, 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).