72 ^ 9x8 ^ ^ 3x3 4x2 ^ 2x2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
72 ^ 3 24 ^ 3 8 ^ 2 4 ^ 2 2 Result is: 2x2x3x3=72 Make sure to use exponents If this is for school!
Oh, isn't finding the greatest common factor like finding a happy little tree in a forest of numbers? Let's take a look at 40, 48, and 72. The greatest common factor for these numbers is 8, like a sturdy trunk supporting the branches of a tree. Just like in painting, finding the common factor helps bring harmony and balance to the numbers.
The GCF of 72 and 144 is 72. Since 72 is a factor of 144, it is automatically the GCF.
2x2x2x3x3
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
72 ^ 9x8 ^ ^ 3x3 4x2 ^ 2x2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
72 36,2 18,2,2 9,2,2,2 3,3,2,2,2
Use a factor tree. 72 36,2 18,2,2 9,2,2,2 3,3,2,2,2