Q: Is 7,800,128 a Composite Number?

Why is 7,800,128 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 7,800,128 can be evenly divided by 1 2 4 7 8 14 16 23 28 32 46 56 64 92 112 161 184 224 322 368 448 644 736 757 1,288 1,472 1,514 2,576 3,028 5,152 5,299 6,056 10,304 10,598 12,112 17,411 21,196 24,224 34,822 42,392 48,448 69,644 84,784 121,877 139,288 169,568 243,754 278,576 339,136 487,508 557,152 975,016 1,114,304 1,950,032 3,900,064 and 7,800,128, with no remainder.

Since 7,800,128 cannot be divided by just 1 and 7,800,128, 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).