220
110,2
55,2,2
11,5,2,2
220 110,2 55,2,2 11,5,2,2
110,2 55,2,2 11,5,2,2
220 110,2 55,2,2 11,5,2,2
20= 5*2*220^4 5^2 2
Since 220 is a factor of 660, it is automatically the GCF.
no
The factor tree is as follows: 114 57,2 19,3,2
The greatest common factor of 220, 440, and 880 is 220
No.
880 / \ 440 2 / \ 220 2 / \ 110 2 / \ 22 2 / \ 11 2
yes
The greatest common factor of 220 and 400 is 20.