IT Nursery
I was just wondering why is that primes are used in a class’s hashCode() method? For example, when using Eclipse to generate my hashCode() method there is always the...
One thing that always strikes me as a non-cryptographer: Why is it so important to use prime numbers? What makes them so special in cryptography? Does anyone have a...
Which is the fastest algorithm to find out prime numbers using C++? I have used sieve’s algorithm but I still want it to be faster! 18 Answers 18
This is the best algorithm I could come up. def get_primes(n): numbers = set(range(n, 1, -1)) primes = while numbers: p = numbers.pop() primes.append(p) numbers.difference_update(set(range(p*2, n+1, p))) return...
To test whether a number is prime or not, why do we have to test whether it is divisible only up to the square root of that number? 13...