Kata Workshop

Problem

Compute the prime factors of a given number.

Note: A prime number is only divisible by itself and 1. 1 is not a prime number.

Examples

• 0 does not have any prime factors.
• 1 does not have any prime factors.
• 2 has the following prime factor: 1.
• 3 has the following prime factors: 3.
• 4 has the following prime factors: 2, 2.
• 8 has the following prime factors: 2, 2, 2.
• 9 has the following prime factors: 3, 3.
• 25 has the following prime factors: 5, 5.

Learning Outcomes

• Three Rules of TDD
• Red/Green/Refactor TDD Cycle
• Staying Green While Refactoring
• Refactoring in Small Steps