Prime Numbers-Writing a Function to Find Prime Numbers | Matlab

Prime Numbers-Writing a Function to Find Prime Numbers | Matlab

Problem Statement: To check that given integer is prime numbers or not. n>1

n= input('Enter an integer >1: ');
 
divisor= 2;
while ( rem(n,divisor)~=0 )
divisor= divisor + 1;
end
if (divisor==n)
fprintf('%d is prime ', n)
else
fprintf('%d is composite ', n)
end

Problem Statement: Print the list of all prime number between a given range

a= input('Enter a positive integer: ');
b= input('Enter an integer greater than the previous value: ');
 
for n= a:b
 
% Determine whether n is prime
divisor= 2;
while ( mod(n,divisor)~=0 )
divisor= divisor + 1;
end
if (divisor==n)
fprintf('%d is prime ', n)
end
 
end

Other Problem Statements:

  • Find the sum of prime numbers in given range
  • To find out prime factorization of given numbers
  • Cryptography related problems

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