Find HCF of 306 and 657 also find their LCM using their HCF

Given that 306 and 657

306 = 2 x 153,

=2 x 3 x 51,

=2 x 3 x 3 x 17

=21 x 32 x 171. 657

=3∗219 =3 x 3 x 73

=32∗731.

∴ HCF of 306 and 657=32=9.

∴ LCM of 306 and 657

=2 x 32 x 17 x 73=22338.

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