The Polynomials that Generate Prime Numbers
The search for primes started thousands of years ago. Mathematicians since antiquity tried to find ways to look for primes. They also searched for methods to test if a number is prime or not. Others tried to find polynomials to generate primes.
The Sieve of Eratosthenes
One of the ancient methods of listing prime numbers is the Sieve of Eratosthenes. The Sieve consists of a finite list of numbers, where the multiples of each number are crossed out starting from 2 and increasing each time the list is exhausted. » Read more
function, underneath it comes the 
function.
function, underneath it comes the 
function. And in the last column comes the 
function and underneath it comes the 
function. Learning this position is important and just one time. The six trig functions are specially placed in the above given places, so as to serve our need.