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Introduction
Finding the Lowest Common Denominator
Arithmetic Sequence and Series
Finding Unit Digits of x^n
  FINDING THE LOWEST COMMON DENOMINATOR (LCD)
So, what is the best practice?

Let’s look at finding the LCD for


a second time.

Let’s try this approach.

Find all the prime factors of 6 and 9 as shown. (In class branch off into topics on prime factorization and how to find prime numbers using the Sieve of Eratosthenes.)
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