Question

II. ANSWER THE FOLLOWING:
1. Find HCF and LCM of 725, 645.
2. Find the decimal expansion of​

Answer 1

$\textbf{Given:}$

$\textsf{Numbers are 725 and 645}$

$\textbf{To find:}$

$\textsf{H.C.F and L.C.M of 725 and 645}$

$\textbf{Solution:}$

$\textsf{By factorization, we get}$

$\mathsf{725=5^2{\times}29}$

$\mathsf{645=5{\times}3{\times}43}$

$\mathsf{Here,\;5\;is\;the\;only\;common\;factor}$

$\implies\boxed{\mathsf{H.C.F=5}}$

$\mathsf{L.C.M=5^2{\times}29{\times}3{\times}43}$

$\implies\boxed{\mathsf{L.C.M=93525}}$

$\textbf{Find more:}$

Find the HCF of 252525 and 363636​

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