Modular Inverses Quizzes, Questions & Answers

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Top Trending Modular Inverses Quizzes

In this quiz, you’ll explore what it means for a number to have a modular inverse and when an inverse exists. You’ll test simple cases, practice checking whether numbers are invertible, and see how multiplication...

Questions: 10 | Attempts: 10 | Last updated: Dec 9, 2025

Sample Question 1
Which number is the inverse of 3 mod 7?

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Sample Question 2
Find the modular inverse of 2 mod 5.

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Properties of Modular Inverses

Properties Of Modular Inverses

Modular inverses follow fascinating rules based on number properties. In this quiz, you’ll discover the conditions for an inverse to exist, how greatest common divisors (GCDs) play a role, and why every nonzero number has...

Questions: 10 | Attempts: 10 | Last updated: Dec 9, 2025

Sample Question 1
If a × b ≡ 1 (mod n), then b is:

A multiple of a

A divisor of n

The modular inverse of a mod n

Always equal to n – a

Sample Question 2
Which number has no modular inverse mod 12?

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7

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Recent Modular Inverses Quizzes

Applications of Modular Inverses

From solving congruences to cryptography, modular inverses are powerful tools! In this quiz, you’ll apply inverses to solve modular equations and connect them to real-world uses like secure communication. Try this quiz to...

Questions: 10 | Attempts: 10 | Last updated: Dec 9, 2025

Sample Question
Solve 3x ≡ 1 (mod 7).

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