Solution
$$513=3^3\times19.$$
$$1107=3^3\times41.$$
$$783=3^3\times29.$$
So, HCF is 27.
A is correct choice.
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$$513=3^3\times19.$$
$$1107=3^3\times41.$$
$$783=3^3\times29.$$
So, HCF is 27.
A is correct choice.
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