Practice Primality Testing - 1.3 | 8. Prime Numbers and GCD | Discrete Mathematics - Vol 3
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Engineering Courses
Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Certifications
Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Primality Testing

1.3 - Primality Testing

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define a prime number.

💡 Hint: Think about what factors a number can have.

Question 2 Easy

Is 4 a prime number? Why or why not?

💡 Hint: Remember the definition of a prime number!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What defines a prime number?

Only divisible by 1 and itself
Divisible by multiple numbers
Equal to 1

💡 Hint: Recall the definition discussed.

Question 2

True or False: The GCD of 20 and 30 is 10.

True
False

💡 Hint: Think about the factors of each number.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Determine if 103 is a prime number using the naive testing algorithm. Demonstrate your process.

💡 Hint: Remember to make your checks only go up to the square root.

Challenge 2 Hard

Explain how changing the input number affects the running time of the naive primality test.

💡 Hint: Consider how each added bit may relate to the number of checks required.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.