As per given by the question,
There are given that the monimials,
Now,
Find the common factor of
So,
Now,
The greatest common factor is,
For the greatest common factor, there are given w in all the terms and 7 is common for first and secon and 5 common for first and third.
So, for greatest common factor, value matched in all the terms.
Then,
Hence, the greatest common factor is w.