1500
/ \
2 750
/ \
2 375
/ \
3 125
/ \
5 25
/ \
5 5
/ \
5 1
factor tree of 216
1500 750,2375,2,2125,3,2,225,5,3,2,25,5,5,3,2,2
1500 750,2 375,2,2 125,3,2,2 25,5,3,2,2 5,5,5,3,2,2
The greatest common factor of 2625 , 1500 = 375
IT IS PRIME there is no factor tree
Factor tree of 204
The factor tree of 50:5025,25,5,25025,25,5,2
21
83 is prime. No tree.
The prime factor tree of 280 is:140,270,2,235,2,2,27,5,2,2,2
Since 50 is a factor of 1500, it is automatically the GCF.
Factor Tree of 20: ........20 ......../ \ .......4 5 ....../ \ .....2 2