when you run primenumbers pythe output will look like thisprime numbersby al sweigart al@inventwithpython com --snip-enter number to start searching for primes from(try or ( zerosor another number press ctrl- at any time to quit press enter to begin --snip-how it works the isprime(function accepts an integer and returns true if it is prime number otherwiseit returns false project is worth studying if you're trying to understand this program the isprime(function essentially looks for any factors in the given number and returns false if it finds any the algorithm in this program can quickly find large prime numbers the number one trillion has mere digits but to find prime numbers that are as big as googol ( one followed by zeros)you need to use an advanced algorithm such as the rabin-miller primality test of my book cracking codes with python (no starch press has python implementation of this algorithm """prime numbersby al sweigart al@inventwithpython com calculates prime numberswhich are numbers that are only evenly divisible by one and themselves they are used in variety of practical applications more info at view this code at tagstinymathscrolling"" import mathsys def main() print('prime numbersby al sweigart al@inventwithpython com' print('prime numbers are numbers that are only evenly divisible by' print('one and themselves they are used in variety of practical' print('applicationsbut cannot be predicted they must be' print('calculated one at time ' print( while true print('enter number to start searching for primes from:' print('(try or ( zerosor another number )'prime numbers