Why use a prime number in hashCode?
I was just wondering why is that primes are used in a class’s hashCode() method? For example, when using Eclipse to generate my … Read more
primes
Why are primes important in cryptography?
One thing that always strikes me as a non-cryptographer: Why is it so important to use prime numbers? What makes them so special … Read more
Which is the fastest algorithm to find prime numbers?
Which is the fastest algorithm to find out prime numbers using C++? I have used sieve’s algorithm but I still want it to … Read more
Fastest way to list all primes below N
This is the best algorithm I could come up. def get_primes(n): numbers = set(range(n, 1, -1)) primes = [] while numbers: p = … Read more
Why do we check up to the square root of a number to determine if the number is prime?
To test whether a number is prime or not, why do we have to test whether it is divisible only up to the … Read more