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Q.

If two positive integers 𝑝 and 𝑞 can be expressed as  p = ab2 and  q = a3 b ; 𝑎, 𝑏

being prime numbers. Find LCM of (𝑝, 𝑞).

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Detailed Solution

We are given two positive integers, 𝑝 and 𝑞, which are expressed as

𝑝 = 𝑎𝑏2 and 𝑞 = 𝑎3𝑏.

The factors of 𝑝 are 𝑝 = 𝑎 × 𝑏 × 𝑏

The factors of 𝑞 are 𝑞 = 𝑎 × 𝑎 × 𝑎 × 𝑏

We know that the LCM of two integers is the product of the highest power of the integers. The highest power of 𝑎 is 3, and the highest power of 𝑏 is 2.

Hence, the LCM of (𝑝, 𝑞) is a3b2

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