ILLUSTRATION : 4 Find the LCM and H...
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ILLUSTRATION : 4 Find the LCM and HCF of the following integers by applying the prime factorisation method. 8, 9 and 25

NEET/Medical Exams
Maths
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soluTION: First we write the prime factorisation of each of the given numbers. [ 8=2 times 2 times 2=2^{3}, 9=3 times 3=3^{2}, 25=5 times 5=5^{2} ] ( therefore quad L C M=2^{3} times 3^{2} times 5^{2}=8 times 9 times 25=1800 ) and ( mathrm{HCF}=1 ) Remark : The product of two positive integers is equal to the product of their HCF and LCM, but the same is not true for three or more positive integers.
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