Practice Euclid’s Lemma - 11.2.2 | 11. Uniqueness Proof of the CRT | Discrete Mathematics - Vol 3
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Practice Questions

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Question 1

Easy

Define what it means for a number p to be prime.

💡 Hint: Consider the smallest prime examples.

Question 2

Easy

What does it mean if p divides a product of numbers?

💡 Hint: Think about factors of numbers.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does Euclid's Lemma state?

  • A prime divides all products
  • A prime divides at least one factor of a product
  • None of the above

💡 Hint: Review the definition of primes.

Question 2

True or False: If p divides ab, then p must also divide a.

  • True
  • False

💡 Hint: Think about counterexamples.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Prove by induction that if a prime divides a product of any n integers, it divides at least one of those integers.

💡 Hint: Focus on how the prime interacts with the product.

Question 2

Using Euclid's Lemma, show why it implies that any solution to a system of linear congruences in CRT must be unique.

💡 Hint: Assess the implications of congruences.

Challenge and get performance evaluation