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
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