find the smallest square number which is divisible by 9,10,12,15 . Pls. answer me with full explanation
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if anybody knows plz also explain me
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Since, we wanted smallest perfect square number divisible by 6, 9 and 15. So, we calculated LCM by prime factorisation. LCM = 90 But, 2 and 5 are not in pair. Therefore, to make it perfect square no. multiply 2 * 5 to LCM (90). =90*2*5; =90*10; =900 Hence, Required smallest square no. that's divisible by 6, 9 and 15 = 900. please support me
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