8.7 - Greatest Common Divisor (GCD)
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Practice Questions
Test your understanding with targeted questions
What is the GCD of 10 and 25?
💡 Hint: Find the largest number that divides both.
Name two co-prime numbers.
💡 Hint: Look for numbers that share no divisors other than 1.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does GCD stand for?
💡 Hint: Recall its definition.
True or False: If the GCD of two numbers is greater than 1, they are co-prime.
💡 Hint: Think about the definition of co-primality.
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Challenge Problems
Push your limits with advanced challenges
Prove that the GCD of any number and 0 is the number itself.
💡 Hint: Consider how division works.
Employ Lame's theorem to find the GCD of two very large numbers, illustrating the process of using it.
💡 Hint: Track the remainders and relate them to the Fibonacci sequence.
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