125 / \ 5 25 / \ 5 5
5*25 5*5*5
No, 3 is not a factor of 125.
125 and 375's highest common factor is 125.
125 5*125 = 625 4*125 = 500
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
Use a factor tree. 125 25,5 5,5,5
125 25,5 5,5,5
5,25 5,5,5
5,25 5,5,5
It is: 5*5*5 = 125 or as 53 = 125