### Which number less than 100 has the greatest number of common factors?

Short answer: There is none. There are not common factors of a single number because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. Thus, there cannot be a single number that has the greatest number of common factors.

### How are factors common factors and greatest common factors different?

A factor of a number is a number that number can be divided by. For instance, 20 has the factors 1, 2, 4, 5, 10 and 20. 28 has the factors 1, 2, 4, 7, 14 and 28. Common factors are factors which appear in both lists. In this instance, 1, 2 and 4 are common factors of 20 and 28. The greatest common factor is the biggest number out of the common factors. In…

### What are common factors of 14?

There are not common factors of 14. Common factors are factors that it and another number share - factors they have in common. A single number cannot have common factors. 14 does have factors. Its factors are 1, 2, 7, and 14. 14 and 16 have common factors of 1 and 2. 14 and 21 have common factors of 1 and 7. 14 and 31 have a common factor of 1 only, which means they…