Basic C# Programs

51 Factorial of 9 Medium 52 Check if 13 is prime Medium 53 First 11 Fibonacci numbers Medium 54 Count evens from 1 to 12 Easy 55 GCD of 13 and 20 Medium 56 Print numbers 1 to 14 Easy 57 Sum of first 15 natural numbers Easy 58 Factorial of 16 Medium 59 Check if 5 is prime Medium 60 First 10 Fibonacci numbers Medium 61 Count evens from 1 to 19 Easy 62 GCD of 20 and 27 Medium 63 Print numbers 1 to 21 Easy 64 Sum of first 22 natural numbers Easy 65 Factorial of 23 Medium 66 Check if 29 is prime Medium 67 Count evens from 1 to 6 Easy 68 GCD of 7 and 14 Medium 69 Print numbers 1 to 8 Easy 70 Sum of first 9 natural numbers Easy 71 Factorial of 10 Medium 72 Check if 17 is prime Medium 73 Count evens from 1 to 13 Easy 74 GCD of 14 and 21 Medium 75 Print numbers 1 to 15 Easy 76 Sum of first 16 natural numbers Easy 77 Factorial of 17 Medium 78 Count evens from 1 to 20 Easy 79 GCD of 21 and 28 Medium 80 Print numbers 1 to 22 Easy 81 Sum of first 23 natural numbers Easy 82 Factorial of 24 Medium 83 Count evens from 1 to 7 Easy 84 GCD of 8 and 15 Medium 85 Print numbers 1 to 9 Easy 86 Sum of first 10 natural numbers Easy 87 Factorial of 11 Medium 88 Count evens from 1 to 14 Easy 89 GCD of 15 and 22 Medium 90 Print numbers 1 to 16 Easy 91 Sum of first 17 natural numbers Easy 92 Factorial of 18 Medium 93 Count evens from 1 to 21 Easy 94 GCD of 22 and 29 Medium 95 Print numbers 1 to 23 Easy 96 Sum of first 24 natural numbers Easy