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8.7.1. Definition of GCD
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Try these first
- 1.
Find the GCD of 10 and 5.
Hint
Think about the largest number that can divide both.
- 2.
Are the numbers 8 and 15 co-prime?
Hint
Calculate their GCD to confirm.
- 3.
What does GCD stand for?
- Greatest Common Divisor
- Greatest Calculated Division
- General Common Denominator
Hint
Think about the largest divisor of two numbers.
- 4.
Are the numbers 14 and 25 co-prime?
- True
- False
Hint
Check if they share any common divisors.
- 5.
If you were to apply Euclid's algorithm to find the GCD of 144 and 1024, describe each step taken and the final answer.
Hint
Keep track of your remainders carefully.
- 6.
How would you use prime factorization to find the GCD of 60 and 48? Show all steps.
Hint
List out all prime factors and find the common ones.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting