Podcast
Questions and Answers
Which of the following is a prime number?
Which of the following is a prime number?
- 15
- 18
- 11 (correct)
- 12
What is the first prime number?
What is the first prime number?
- 3
- 4
- 5
- 2 (correct)
Which of the following numbers is composite?
Which of the following numbers is composite?
- 21 (correct)
- 29
- 31
- 23
What are the factors of 24?
What are the factors of 24?
What is a factor tree used for?
What is a factor tree used for?
What method did Eratosthenes devise to predict where primes might be?
What method did Eratosthenes devise to predict where primes might be?
What did Fibonacci publish in Liber Abaci in 1202?
What did Fibonacci publish in Liber Abaci in 1202?
What is Fermat's Little Theorem used for?
What is Fermat's Little Theorem used for?
What is the main purpose of primality tests?
What is the main purpose of primality tests?
What are some quick criteria that can be used to rule out composite numbers?
What are some quick criteria that can be used to rule out composite numbers?