How do you find the greatest common factor of 80, 16?
1 Answer
Nov 1, 2016
The Greatest Common Factor of 80, 16 is 16
Explanation:
Method suggested :
- Find the prime factors of each number :
- Find the common prime factors : in this case there's only 2
- If you have many, take the smaller of the exponents of theses common prime factors and multiply them together to find the GCF, for this example
#GCF = 2^4 = 16#
Example : Find the GCF of 90, 24
- The common factor primes are 2 and 3
- The smaller exponents of each are
#2^1 and 3^1# - Multiply those and the
#GCF = 3^1xx2^1=6#
I hope that was clear, you can find more in the link below :
Source :
(http://www.coolmath.com/prealgebra/01-gcfs-lcms/02-greatest-common-factors-03)