More Problems

• Write a program to compute the sum of digits of a large number.
• Implement a function to find the number of prime factors of a number.
• Create a program to check if two numbers are coprime.
• Write a program to find the sum of the first n even prime numbers.
• Implement a function to calculate the product of all digits in a number.
• Create a program to find the total number of prime numbers below a given limit.
• Write a program to determine if a string is a valid number.
• Implement a function to calculate the area of a sector.