125
25,5
5,5,5
125 25,5 5,5,5
125 = 53
125 5,,25 5,5,5 125=5,5,5
125 / \ 5 25 / \ 5 5
125 5,25 5,5,5
5,25 5,5,5
125 5 x 25 5 x (5x5) Since 5 is a prime number, the factor tree is complete.
Since '125' ends in '5' it will divide by '5' '5' is a prime number. 5)125 = 5)25 = 5)5 = 1 when reduced to '1' you have all the prime factors. viz. 5.
5,25 5,5,5
5,25 5,5,5
125 25,5 5,5,5
Use a factor tree. 125 25,5 5,5,5