13. Using Euclid's division algorithm, find which of the following pairs of numbers
are co-prime: (i) 231, 396 (ii) 847, 2160
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Step-by-step explanation:
(i) 231 ,396
a= bq+r
396 = 231 × 1+ 165
231=165 ×1 +66
165= 66×2 +33
66 = 33 × 2
HCF = 33
(ii)
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