1: //numberOfTimes3IsAFactor.cpp 3: #include <iostream> 4: using namespace std; 6: int numberOfTimes3IsAFactor 7: ( 8: int n //in 9: ) 10: { 11: if (n % 3 != 0) 12: return 0; 13: else 14: return 1 + numberOfTimes3IsAFactor(n / 3); 15: }