RSS
Cubes And Multiples Of 7
Problem
Prove that for any number that is not a multiple of seven, then its cube will be one more or one less than a multiple of 7.
Problem ID: 24 (Nov 2000) Difficulty: 3 Star
Prove that for any number that is not a multiple of seven, then its cube will be one more or one less than a multiple of 7.
Show Solution
Hide Solution