Question

Find the HCF & LCM of 45 and 72 by prime
factorisation. Hence verify that LCM × HCF=product of the
number​

Answer 1

Step-by-step explanation:

45=3²*5

72=6²*2=2³3³

so,

LCM=3²*5*2³*3=27*40=1080

HCF=9

LCM *HCF=45*72

pls mark brainliest