EJU Japan · EJU Mathematics Course 1

Properties of Integers

16 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 16 questions

  1. How many positive divisors does 12 have?
  2. How many positive divisors does 45 have?
  3. Find the least common multiple of 14 and 21.
  4. What is the remainder when is divided by 5?
  5. What is the remainder when is divided by 11?
  6. Find the least common multiple of 9 and 12.
  7. Find the greatest common divisor of 72 and 90.
  8. Find the smallest positive integer such that is a perfect square.
  9. How many positive divisors does 100 have?
  10. Find the greatest common divisor of 24 and 30.
  11. Find the smallest positive integer such that is a perfect square.
  12. Find the smallest positive integer such that is a perfect square.
  13. Find the smallest positive integer such that is a perfect square.
  14. Find the least common multiple of 6 and 8.
  15. Find the greatest common divisor of 36 and 45.
  16. Find the smallest positive integer such that is a perfect square.

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