Question

find the hcf of 180,225 and 315 completly

Answer 1

Answer:

Step-by-step explanation:

180=2*90=2*2*45=2*2*3*15=2*2*3*3*5

225=15*15=3*5*3*5

315=5*63=5*9*7

the HCF of the three numbers is 9*5=45 because 9*5 is common in all the three prime factors

Answer 2

Step-by-step explanation:

hcf by division method