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3 cards from this section. Quick, good the night before a test.
What is 7 mod 3?
Divide 7 by 3 and find the remainder.
Is -4 mod 5 equal to 1?
Calculate the remainder when adjusting, it should still be in the range.
What is 5 mod 2?
Think about the remainder when performing division.
Congruence means two numbers have the same what when divided by a modulus?
Recall the definition of congruence.
Demonstrate the inefficiency of the naive modular exponentiation approach compared to the square and multiply method, with specific examples.
Calculate the intermediate powers and how they accumulate.
Analyze a scenario where determining congruences can simplify a large addition and provide the calculation.
Use smaller numbers by reducing before performing addition.
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