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# Answer to Question #7382 in C++ for Merry

Question #7382
Hi, I have no ideam why my program crashes. It is supposed to take in a number and print its decomposition into a product of prime factors. example N = 48 then the program prints 2^4*3^1 #include <iostream> #include <vector> using namespace std; int main () { vector<int> factors; int N, count=0; cout << "Please enter an integer number greater than 0"; cin >> N; while (N <= 0) { cout << "Error. Number out of range. Please re-enter a valid number."; cin >> N; } while ((N %2) == 0) { factors.push_back(2); N = N / 2; } for (int f=3; f <= N; f += 2) { while (((N%f) == 0) && (N != f)) { factors.push_back(f); N = N / f; if (N == f) factors.push_back(N);} } for ( int i= 0; i < factors.size(); i++){ if ((factors[i]) == (factors[i+1])) {count++;} else { cout << factors[i] << "^" << count << "*"; count = 1; } } cout << factors[factors.size()] << "^" << count; return 0; }

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