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IKMC 2013 - Grades 7-8 - Self-study Question 30

IKMC · IKMC 2013 - Grades 7-8 - Self-study

Question 30

A positive integer N is smaller than the sum of its three greatest divisors, excluding N itself. Which statement is true?
  1. All such N are divisible by 4.
  2. All such N are divisible by 5.
  3. All such N are divisible by 6.
  4. All such N are divisible by 7.
  5. There is no such N.