Question

The LCM of $248$ and $868$ is $1736,$ then their HCF is

• A. $142$
• B. $124$
• C. $421$
• D. $241$

Answer 1

The correct option is B $124$

Solution-

LCM of 248 & 868 is 1736.

$LCM\times HCF=248\times 868$ (property)

$HCF=\frac{248\times 868}{1736}$

$=\frac{248}{2}$

$=124.$

B is correct.