Q.

If two positive integers 𝑝 and π‘ž can be expressed as  p = ab2 and  q = a3 b ; π‘Ž, 𝑏

being prime numbers. Find LCM of (𝑝, π‘ž).

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Detailed Solution

We are given two positive integers, 𝑝 and π‘ž, which are expressed as

𝑝 = π‘Žπ‘2 and π‘ž = π‘Ž3𝑏.

The factors of 𝑝 are 𝑝 = π‘Ž Γ— 𝑏 Γ— 𝑏

The factors of π‘ž are π‘ž = π‘Ž Γ— π‘Ž Γ— π‘Ž Γ— 𝑏

We know that the LCM of two integers is the product of the highest power of the integers. The highest power of π‘Ž is 3, and the highest power of 𝑏 is 2.

Hence, the LCM of (𝑝, π‘ž) is a3b2

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