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Number Theory
Modular Arithmetic Operations
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Concept Quizzes
As we've now covered modular addition and modular multiplication (repeated modular addition), the next operation to consider is repeated modular multiplication, aka modular exponentiation!
Given that \( 9 \equiv 2 \pmod{7} \), what is \[ 9 \times 9 \times 9 \times 9 \times 9 \pmod{7}? \]
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by Brilliant Staff
What is \( 2 ^ {15} \pmod{11} ?\)
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What is \( 5 ^ {34} \pmod{31} ?\)
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Which of the following is congruent to \[ \large 7^{7^{7^{7^7}}} \pmod {10}? \]
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What is \( 2 ^ {7} \pmod{10} ?\)
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by Brilliant Staff