aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
  • Prime Numbers - 1
  • Find the common prime factor of 21 and 35.
Multiple choice

Find the common prime factor of 21 and 35.

  1. 3

  2. 5

  3. 7

  4. 9

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

7 is the common prime factor of 21 and 35.

Keep practicing — related questions

  • What is the greatest common factor of 21 and 35?
  • Which of the following is the highest common factor of 21 and 56?
  • Find the highest common factor of 56 and 72.
  • Which of the following options is the highest common factor of 21 and 56?
  • Which of the following numbers is a prime factor of 97?
  • Which of the following options is a prime factor of 97?
  • Which of the following is a prime number?
  • Find a number between 200 and 400 which when divided by 35, 14 and 21 leaves 5 as a remainder in each case.
Play the full quiz 🎤 Practise this topic out loud

Practice this topic

  • Number Theory (466 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy