What is the GCF of 75 and 90?
1 Answer
Oct 15, 2016
Explanation:
The simplest way to find the Greatest Common Factor is as follows:
- Find one Common Factor
- Divide by that factor
- Look for a Common Factor in the new set of numbers
- Divide by that factor
- Repeat until you arrive at a dead end
- Gather all of the factors that you used and multiply them together.
- You should have the GCF now.
Your Question:
GCF of
- They have a common factor of
#5# #75/5# and#90/5# equal#15# and#18# #15# and#18# have Common Factor of#3# #15/3# and#18/3# equal#5# and#6# #5# and#6# do not have any Common Factors- We divided by
#5# and#3# . #5*3=15#