7.3 - Introduction to Number Theory
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Practice Questions
Test your understanding with targeted questions
What is 10 modulo 3?
💡 Hint: Divide 10 by 3 and find the remainder.
Are 14 and 10 congruent modulo 4?
💡 Hint: Calculate the remainder for both when divided by 4.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is 9 modulo 4?
💡 Hint: Think about how many times 4 goes into 9.
True or False: Division in modular arithmetic is straightforward.
💡 Hint: Recall the difficulties surrounding modular inverses.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Calculate (29 + 13) mod 10 and explain each step involved.
💡 Hint: Think of it as simplifying operations with the modulus before finding the result.
Using the square and multiply method, compute 3^20 mod 5. Show your workings.
💡 Hint: Focus on the binary representation of 20 to simplify multiplications.
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