common factors of 40 and 50
You asked:
Find all common factors of and .
MathBot Answer:
All common factors of a set of numbers will be factors of the greatest common factor, or GCF, of that set. Start by finding the GCF.
Then find the factors of that gcf. One way to do this is to use a factor table. Attempt to divide the number by a series of possible factors, starting with . Place in the left-hand column, and the quotient in the right-hand column. Increase the number in the left-hand column, skipping numbers that don't divide the greatest common factor, until a number in the left-hand column that is already in the right-hand column appears.
1 | 10 |
---|---|
2 | 5 |
5 | 2 |
The common factors are: