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Question
Show that the following pairs are co-primes:
161, 192
Solution
The given numbers are 161 and 192.
We have:
Now, 161 = 7 × 23 × 1
192 = 2 × 2× 2 ×2 × 2× 2 × 3 = 26 × 3 × 1
∴ HCF = 1
Hence, 161 and 192 are co-primes.
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