What Are Relatively Prime Numbers? - Examples & Calculations


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question 1 of 3

Which of the following pairs of numbers are relatively prime?

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1. Two numbers, a and b, are relatively prime. What is the greatest common factor of a and b?

2. X and y are two relatively prime numbers whose lowest common multiple is 285. If x = 15, what is the value of y?

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About This Quiz & Worksheet

Utilize this worksheet and quiz to find out what you know about relatively prime numbers. Topics you will need to address include pairs of numbers which are relatively prime and greatest common factor.

Quiz & Worksheet Goals

These study tools will guide you to:

  • Find the value of y for an example in which the least common multiple is known and x is a given relatively prime number
  • Identify relatively prime numbers
  • Recognize a false statement about relatively prime numbers

Skills Practiced

Use the following study skills:

  • Reading comprehension- ensure that you draw the most important information from the related lesson on relatively prime numbers
  • Problem solving - use acquired knowledge to solve relatively prime numbers practice problems
  • Defining key concepts - ensure that you can accurately define main phrases, such as greatest common factor and least common multiple

Additional Learning

Find out more about relatively prime numbers with this lesson named What Are Relatively Prime Numbers? - Examples & Calculator. The lesson will adhere to the following:

  • Understand what makes numbers relatively prime
  • Recognize how to check if numbers are relatively prime
  • Define prime factorization
  • Analyze example problems