Number Systems
which of the following is a pair of co-primes: $$(32,62)$$
DoubtBuddy
Subjective Type
Which of the following pairs of numbers are co-prime ? $$ 515 $$ and $$ 516 $$
Solution
$$ 515 $$ and $$ 516 $$
The factors of $$ 515 $$ are $$ 1 , 5 , 103 , 515 $$
The factors of $$ 516 $$ are $$ 1 , 2 , 3 , 4 , 6 , 12 , 43 , 86 , 129 , 172 , 258 , 516 $$
Since , the common factor of $$ 515 $$ and $$ 516 $$ are only $$ 1 $$
$$ \therefore \, $$ So , they are co-prime.
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