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Aug
31
comment Recursive number of divisors function
@GerryMyerson Yes and it didn't work (I tried 72 = 12*6), but I'm sure there must be a similar property since they are both multiplicative functions (I hope so anyway).
Aug
31
comment Recursive number of divisors function
Could this be similar to the totient function which also has this property? Can I also say $\sigma(mn) = \sigma(m) * \sigma(n) * \frac{gcd(mn)}{\sigma(gcd(mn))}$? As per here: en.wikipedia.org/wiki/…
Aug
31
asked Recursive number of divisors function
Aug
30
accepted Finding the maximum remainder of a division
Aug
29
comment Finding the maximum remainder of a division
@HassanMuhammad Both $x$ and $y$ are positive integers.
Aug
29
accepted How to solve $100x +19 =0 \pmod{23}$
Aug
29
asked Finding the maximum remainder of a division
Aug
27
accepted Generating integer solutions to $4mn - m^2 + n^2 = ±1$
Aug
27
comment Generating integer solutions to $4mn - m^2 + n^2 = ±1$
Got it! Thank you for your answer
Aug
27
comment Generating integer solutions to $4mn - m^2 + n^2 = ±1$
Can you explain the completing the square method in this case? I'm not sure what value I should add and subtract exactly
Aug
27
awarded  Commentator
Aug
27
comment How many integer solutions to a diophantine equation
@MichaelBoratko And to what extent can this be verified? If I had not included the first equation in my question, would you have known this is a PE problem? Would this not affect the amount of answers I would be receiving?
Aug
27
asked Generating integer solutions to $4mn - m^2 + n^2 = ±1$
Aug
27
awarded  Promoter
Aug
25
accepted How many numbers less than $x$ are co-prime to $x$
Aug
25
asked How many numbers less than $x$ are co-prime to $x$
Aug
25
comment How to solve $100x +19 =0 \pmod{23}$
How did you get from (-19/100) to (4/100) and from (1/25 ) to (1/2) ???
Aug
25
asked How to solve $100x +19 =0 \pmod{23}$
Aug
21
accepted Finding integer solutions to $m$ and $n$
Aug
19
accepted For what values of $x$ would $nx \equiv 0\pmod{(x-n)}$?