No fake FIND THE LCM AND HCF
Find lcm of 2³×3×5 and 2⁴×5×7
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5
LCM of the given numbers = product of prime factors with highest powers = 2⁴× 5 × 7 × 3 = 1680.
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28
LCM = (2^3 × 3 × 5, 2^4 × 5 × 7)
∴ LCM = Product of greatest power of each prime factor involved in the numbers
= 2^4× 3 × 5 × 7
= 16 × 3 × 5 × 7 = 1680
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