Count possible combinations of factors of number N, excluding 1 and itself, which on multiplication ...

Find b that (a+b) divisible to K...

Modular multiplicative inverse...

Visualizing gaussian primes and gaussian prime factors in Python...

How to come up with a normal solution to the problem of brute force?...

C program to find positive integers with beautiful property...

To discriminate the periodically repeating digits of the expansion of a non-negative rational number...

Is there a method/Algorithm to generate unique integers from prime factors of a given number?...

How to maximize the GCD of n positive integers with minimum number of removals from the sequence tha...

find maximum GCD of an array of triplets...

Bézout's identity, finding integers x and y such that ax+by = gcd(a,b)...

Finding the closest pentagonal number, 𝑝𝑛 given a positive integer, S where S ≥ 1...

runtime complexity of for loop with modulo...

Sum of how many numbers should N be partitioned...

Proof that the last non-zero digit to the right of the decimal point in a non whole number float is ...

runtime error: applying non-zero offset 18446744073709551615 to null pointer (basic_string.h)...

Counting total number of paper pieces...

How to represent the elements of the Galois filed GF(2^8) and perform arithmetic in NTL library...

Multipliers (codeforces)...

How to generate uniform single precision floating point random number between 0 and 1 in FPGA?...

Extended Euclid Theorem - Can there be more than one pair of x and y for two numbers A and B...

Product of prime factors of a number, less than that number...

Armstrong numbers. Fails for 153...

Is there an R function for deriving digits?...

Sieve of Eratosthenes in Haskell...

How to approximate the sum of number of divisors from 1 to n?...

Check whether given number is happy or not...

Why is my algorithm about Fermat primality test so slow?...

Python function that returns true if 2 integers are coprime...

Pisano Period length finding...