Step-by-step explanation:

728 =2×2×2×91 =2^3 ×91

5040 =2×2×3×3×3×5 =2^2 ×3^3 ×5

10530=2×5×153 =2×5×153

L.C.M=2×2×2×3×3×5×91×153

=601473600

728, 5040, 10530

find out the LCM with the help of the HCF

728, 5040, 10530

find out the LCM with the help of the HCF

pleaseMark me as brainlist