If we list all the natural (integer) numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Write a program in the language of your choice to calculate the sum of all the multiples of 3 or 5 below 1000. Include the source code and the calculated value in your answer. Question 4: By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. Write a program in the language of your choice to output the 10001st prime number. Include the source code and the value in your answer.