About Prime Numbers and Factors Quiz #845
Prime Numbers and Factors Quiz #845 was the quiz for Sunday, October 25, 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 #845
- What is the next prime number after 5?
- Which of these numbers is a prime number?
- What is 8 squared?
- Which of these numbers is a factor of 18?
- Which of these numbers is NOT a prime number?
- What is the greatest common factor of 8 and 28?
- What is the least common multiple of 3 and 7?
- What is the least common multiple of 21 and 28?
- What is the least common multiple of 16 and 24?
- What is the greatest common factor of 36 and 54?
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.
Other days of Prime Numbers and Factors Quiz
- Prime Numbers and Factors Quiz #848, Oct 28
- Prime Numbers and Factors Quiz #847, Oct 27
- Prime Numbers and Factors Quiz #846, Oct 26
- Prime Numbers and Factors Quiz #844, Oct 24
- Prime Numbers and Factors Quiz #843, Oct 23
- Prime Numbers and Factors Quiz #842, Oct 22
- Today’s quiz, #851
Every day of the last 60 is in the puzzle archive.