Factor Tree of 20: ........20 ......../ \ .......4 5 ....../ \ .....2 2
150 75, 2 25, 3, 2 5, 5, 3, 2
2 and 5
11*2*5*5
50 2, 25 2, 5, 5
10 2, 5
20= 5*2*220^4 5^2 2
2 2 2 3 3 5
950 475, 2 95, 5, 2 19, 5, 5, 2
2050 1025, 2 205, 5, 2 41, 5, 5, 2
204, 52, 2, 5
30 3 10 2 5 3, 2 and 5