Number theoryDifficulty 3.0Find the answerUKMT Junior Mathematical Challenge · United Kingdom · 2025
When 180 is divided by a positive integer N, the remainder is 5. For how many values of N is this true? (A) 4 (B) 5 (C) 6 (D) 7 (E) 8
The source for this one didn't record the answer, so there is nothing to check what you type against. Work it on paper and mark yourself against the solution below.