diff --git a/poincare/src/expression_debug.cpp b/poincare/src/expression_debug.cpp
index 6f199d375..b921d129f 100644
--- a/poincare/src/expression_debug.cpp
+++ b/poincare/src/expression_debug.cpp
@@ -1,6 +1,7 @@
 #include <poincare/global_context.h>
 #include <poincare/expression.h>
 #include <poincare/symbol.h>
+#include <poincare/integer.h>
 #include <iostream>
 
 namespace Poincare {
@@ -67,4 +68,18 @@ void print_expression(const Expression * e, int indentationLevel) {
   }
 }
 
+void print_prime_factorization(Integer * outputFactors, Integer * outputCoefficients, int outputLength) {
+  GlobalContext context;
+  for (int index = 0; index < outputLength; index++) {
+    if (outputCoefficients[index].isEqualTo(Integer(0))) {
+      break;
+    }
+    std::cout << outputFactors[index].approximate<double>(context);
+    std::cout << "^";
+    std::cout << outputCoefficients[index].approximate<double>(context);
+    std::cout << "+";
+  }
+  std::cout <<"  "<< std::endl;
+}
+
 }
diff --git a/poincare/src/expression_debug.h b/poincare/src/expression_debug.h
index b2185f117..51264e945 100644
--- a/poincare/src/expression_debug.h
+++ b/poincare/src/expression_debug.h
@@ -2,10 +2,12 @@
 #define POICARE_EXPRESSION_DEBUG_H
 
 #include <poincare/expression.h>
+#include <poincare/integer.h>
 
 namespace Poincare {
 
 void print_expression(const Expression * e, int indentationLevel = 0);
+void print_prime_factorization(Integer * outputFactors, Integer * outputCoefficients, int outputLength);
 
 }