7.4.3.2 - Multiplication Rules
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Practice Questions
Test your understanding with targeted questions
What is 7 modulo 3?
💡 Hint: Subtract multiples of 3 from 7.
Calculate -10 mod 4.
💡 Hint: Think about where -10 lies on a number line mod 4.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the result of 8 mod 5?
💡 Hint: Subtract 5 from 8 and see where you land.
Is -7 congruent to 1 mod 4?
💡 Hint: Check by calculating the remainders.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Using the square and multiply method, calculate 2^15 mod 17.
💡 Hint: Remember to calculate powers based on binary digits!
Explain why (a / b) modulo N is not defined generally. Give an example in your explanation.
💡 Hint: Consider cases where the numerator is smaller than the denominator.
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