More Problems

• Write a program to count how many prime numbers are there in the top-right quadrant of the matrix.
• Write a program to count how many prime numbers are there in the bottom-left quadrant of the matrix.
• Write a program to calculate the sum of all elements in the matrix that are divisible by both 2 and 3.
• Write a program to calculate the product of all elements in the matrix that are divisible by both 5 and 7.
• Write a program to check if the matrix contains only odd prime numbers.
• Write a program to check if the matrix contains only even composite numbers.
• Write a program to replace all diagonal elements with the greatest common divisor (GCD) of their row and column indices.
• Write a program to replace all border elements with the least common multiple (LCM) of their row and column indices.