Question
The least perfect square number which is divisible by 9,
12, 15, 24:Solution
lcm OFย 9, 12, 15, 24. 9=3ร3 12=2ร2ร3 15=3ร5 24=2ร2ร2ร3 .LCM=2ร2ร2ร3ร3ร5=360 To make the number perfect square multiply by 2 and 5 in 360, then =360ร5ร2 =3600
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