title: How to calculate prime factorization of `0.5`?
body: <p>How to calculate prime factorization of <code>0.5</code> ?</p>
  
  <p>I am trying to understand this line.</p>
  
  <p><strong>JavaScript cannot precisely represent a decimal fraction whose denominator’s prime factorization contains a number other than 2. For example, 0.5 (12) can be represented, while 0.6 (35) cannot</strong></p>