Prime Numbers and GCD Quiz

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Questions and Answers

Which of the following statements about prime numbers is true?

  • Prime numbers are always even.
  • Prime numbers are always composite.
  • Prime numbers can be negative.
  • Prime numbers are divisible by only 1 and themselves. (correct)

What is the greatest common divisor (GCD) of two prime numbers?

  • The GCD of two prime numbers is always a prime number.
  • The GCD of two prime numbers is always 0.
  • The GCD of two prime numbers is always a composite number.
  • The GCD of two prime numbers is always 1. (correct)

Which of the following is an example of a prime number?

  • 29 (correct)
  • 15
  • 10
  • 25

Which of the following is an assessment about problem solving prime numbers?

<p>Problem solving involving prime numbers requires knowledge of division and multiplication. (A)</p> Signup and view all the answers

Which of the following is an assessment about problem solving greatest common divisor (GCD)?

<p>To find the GCD of two numbers, one needs to find the largest number that divides both numbers evenly. (C)</p> Signup and view all the answers

Which of the following is an assessment about problem solving prime numbers and greatest common divisor (GCD)?

<p>Prime numbers and GCD can both be used to solve problems involving division. (D)</p> Signup and view all the answers

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