Prime vs

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Questions and Answers

Which of the following statements about prime numbers is true?

  • A prime number is a natural number greater than 1 that can be written as a product of two smaller natural numbers.
  • A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. (correct)
  • A prime number is a natural number greater than 1 that is a product of two smaller natural numbers.
  • A prime number is a natural number greater than 1 that is divisible by two smaller natural numbers.

Which of the following is a composite number?

  • 3
  • 4 (correct)
  • 2
  • 5

What is the property called when a number is prime?

  • Factorization
  • Compositeness
  • Trial division
  • Primality (correct)

What is the method called that checks the primality of a given number by testing whether it is a multiple of any integer between 2 and the square root of the number?

<p>Trial division (C)</p> Signup and view all the answers

What is the fundamental theorem of arithmetic?

<p>Every natural number greater than 1 can be factorized as a product of primes that is unique up to their order. (D)</p> Signup and view all the answers

Which of the following is a prime number?

<p>2 (A)</p> Signup and view all the answers

Which of the following is a composite number?

<p>9 (D)</p> Signup and view all the answers

What is the product of 2 and 2?

<p>4 (B)</p> Signup and view all the answers

What is the square root of 9?

<p>3 (C)</p> Signup and view all the answers

Which of the following statements is true?

<p>Every natural number greater than 1 is either prime or composite. (A)</p> Signup and view all the answers

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