Question Number 117989 by zakirullah last updated on 14/Oct/20
Answered by TANMAY PANACEA last updated on 14/Oct/20
$$\mathrm{12}=\mathrm{2}^{\mathrm{2}} ×\mathrm{3} \\ $$$$\mathrm{15}=\mathrm{3}×\mathrm{5} \\ $$$$\mathrm{18}=\mathrm{3}^{\mathrm{2}} ×\mathrm{2} \\ $$$${N}=\mathrm{2}^{\mathrm{2}} ×\mathrm{3}^{\mathrm{2}} ×\mathrm{5}^{\mathrm{2}} =\mathrm{900} \\ $$