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Problem of the Day #89: Darwin’s Diophantine June 16, 2011

Posted by Saketh in : potd , trackback

Darwin is trying to find positive integers $x$ and $y$ such that $161x + 391y = 1863$. Determine the number of ordered pairs of positive integers $(x,y)$ that satisfy this equation.


1. Darwin Li - June 21, 2011

I was never trying to do that.