Q: Is 800,128 a Composite Number?

Why is 800,128 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 800,128 can be evenly divided by 1 2 4 7 8 14 16 19 28 32 38 47 56 64 76 94 112 128 133 152 188 224 266 304 329 376 448 532 608 658 752 893 896 1,064 1,216 1,316 1,504 1,786 2,128 2,432 2,632 3,008 3,572 4,256 5,264 6,016 6,251 7,144 8,512 10,528 12,502 14,288 17,024 21,056 25,004 28,576 42,112 50,008 57,152 100,016 114,304 200,032 400,064 and 800,128, with no remainder.

Since 800,128 cannot be divided by just 1 and 800,128, 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).