Practice Question 5 (13.6) - Lecture - 13 - Discrete Mathematics

Practise this section

10 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Define a prime number.
Show hintHide hint
Think of the numbers that can only be divided by one and themselves.
Question 2.
Give an example of a composite number.
Show hintHide hint
These numbers can be formed by multiplying smaller whole numbers.
3Question 3.
What is the definition of a prime number?
- A number greater than 1
- A number that is only divisible by itself and 1
- Both A and B
Show hintHide hint
Think of what makes a number unique.
4Question 4.
True or False: The number 1 is considered a prime number.
- True
- False
Show hintHide hint
Consider the divisibility conditions.
Question 5.
Prove that there are at least three prime numbers between 10 and 30.
Show hintHide hint
List numbers and test for divisibility.
Question 6.
Discuss how the concepts of prime numbers are applied in encryption algorithms.
Show hintHide hint
Consider real-world applications of primes in technology.

6 more questions in this section. Enroll free to practise them all.