diff --git a/fibonacci/README.md b/02_even_fibonacci_numbers/README.md similarity index 100% rename from fibonacci/README.md rename to 02_even_fibonacci_numbers/README.md diff --git a/fibonacci/fibonacci_test.go b/02_even_fibonacci_numbers/fibonacci_test.go similarity index 100% rename from fibonacci/fibonacci_test.go rename to 02_even_fibonacci_numbers/fibonacci_test.go diff --git a/fibonacci/main.go b/02_even_fibonacci_numbers/main.go similarity index 100% rename from fibonacci/main.go rename to 02_even_fibonacci_numbers/main.go diff --git a/largest_prime_factor/largest_prime_factor_test.go b/03_largest_prime_factor/largest_prime_factor_test.go similarity index 100% rename from largest_prime_factor/largest_prime_factor_test.go rename to 03_largest_prime_factor/largest_prime_factor_test.go diff --git a/largest_prime_factor/main.go b/03_largest_prime_factor/main.go similarity index 100% rename from largest_prime_factor/main.go rename to 03_largest_prime_factor/main.go