That's a prime

1 a + 1 b = 1 874581 \large{\frac { 1 }{ a } +\frac { 1 }{ b } =\frac { 1 }{ 874581 } }

If above equation is true for some positive integers a , b a,b . Find the number of ordered pairs for ( a , b ) (a,b)


The answer is 27.

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1 solution

영준 진
Oct 10, 2015

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