Find the smallest square number which is divisible by 9,15, 20
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2/9,15,20
2/9,15,10
2/9,15,5
3/3,5,5
3/1,5,5
5/1,1,1
= 2×2×2×3×3×5=360which is not a square no.
so divide by 2×5 which donot have pairs
360/10=36
the smallest square no, is 36
2/9,15,10
2/9,15,5
3/3,5,5
3/1,5,5
5/1,1,1
= 2×2×2×3×3×5=360which is not a square no.
so divide by 2×5 which donot have pairs
360/10=36
the smallest square no, is 36
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Answer:
36 is the answer
Step-by-step explanation:
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