Euler's Totient Function
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Mar6-12, 01:05 AM
I like Serena
If you know m=pq and Φ=(p-1)(q-1), then define S=m-Φ+1=p+q.
So you have the product m and the sum S.
That means p and q are the solutions of the quadratic x
- Sx + m = 0.