Solution:-
By Euclid's Division Lemma 117 > 52
117 = (52 × 2) + 13 (52 is the divisor)
52 = 13 × 4 + 0 ; The division process ends here,
as remainder is 0.
So, HCF is 13 (Here, 13 is divisor)
13 can also be expressed as 52x + 117y i.e. as 52 (-2) + 117 (1)
Like if satisfied