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Prime Numbers and Factors Quiz #849

#849 · 10 questionsArchive: not ranked
How to play
  • Press Start for the first of ten questions. The clock starts with it and stops at your last answer.
  • Each question asks about primes, factors, multiples, squares or square roots: which number is prime, a greatest common factor, a least common multiple or a prime factorization.
  • Tap an answer, or press 1 to 4 (or A to D) on a keyboard. Answers are final: you see the right one and a one-line explanation, then press Next.
  • Most correct answers ranks first, then the fastest time. Only a member’s first finished quiz of the day counts for the leaderboard.

Prime Numbers and Factors Quiz #849 is the quiz from Thursday, October 29, 2026 (10 questions). Archive quizzes count toward your statistics, not your streak or the leaderboard.

Archive games count toward your statistics, not your streak or the leaderboards.

About Prime Numbers and Factors Quiz #849

Prime Numbers and Factors Quiz #849 was the quiz for Thursday, October 29, 2026: 10 questions: 4 easy, 3 medium and 3 hard. Everyone who played Prime Numbers and Factors Quiz that day got the same quiz, and it stays here to play for 60 days.

The questions of Prime Numbers and Factors Quiz #849

  1. Which of these numbers is a factor of 36?
  2. Which of these numbers is a prime number?
  3. What is 4 squared?
  4. Which of these numbers is a factor of 60?
  5. What is the greatest common factor of 45 and 36?
  6. Which of these numbers is NOT a prime number?
  7. What is the greatest common factor of 20 and 28?
  8. What is the greatest common factor of 105 and 126?
  9. What is the prime factorization of 84?
  10. What is the prime factorization of 100?

The answer options and the answers appear only when you play the quiz, one question at a time.

New to Prime Numbers and Factors Quiz? The rules, tips and common questions are on the Prime Numbers and Factors Quiz page.

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