Determining Exponents from HCF and LCM Conditions

Determining Exponents from HCF and LCM Conditions

Secondary 1

Written as the product of their prime factors,

First integer \({{2}^{p}}\times {{3}^{q}}\)

Second integer \(2\times 3\times {{5}^{r}}\)

The highest common factor of these two integers is \(2\times 3\). The lowest common multiple of these two integers is\({{2}^{2}}\times 3\times 5\). Find the values of \(p\), \(q\) and \(r\).

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Answer:p=2, q=1, r=1.

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