In the GCD1, we learned the meaning of common divisors. We continue studying the concept in this video and add a new learning namely identifying the greatest among the the common divisors of two or more numbers. The greatest among the common divisors of two or more number is called the Greatest Common Divisor (GCD). It is also called the Greatest Common Factor (GCF) since factor is synonymous in meaning with factor in this context.
Watch the video above, and then answer the practice exercise below. Continue reading