diff --git a/runtime/lib/bigint.dart b/runtime/lib/bigint.dart
index 60b42454946a..27c27fa7157c 100644
--- a/runtime/lib/bigint.dart
+++ b/runtime/lib/bigint.dart
@@ -1542,6 +1542,7 @@ class _Bigint extends _IntegerImplementation implements int {
   int modInverse(int m) {
     if (m is! int) throw new ArgumentError(m);
     if (m <= 0) throw new RangeError(m);
+    if (_used == 0) return 0;
     m = m._toBigint();
     // TODO(regis): Implement modInverse for an even modulus.
     if (m.isEven) throw new UnimplementedError();
diff --git a/runtime/lib/integers.dart b/runtime/lib/integers.dart
index 5bee4047dbd1..7302e19fc0c7 100644
--- a/runtime/lib/integers.dart
+++ b/runtime/lib/integers.dart
@@ -297,6 +297,7 @@ class _IntegerImplementation extends _Num {
     if (m is _Bigint) {
       return _toBigint().modInverse(m);
     }
+    if (this == 0) return 0;
     bool ac = m.isEven;
     int u = m;
     int v = this;
diff --git a/sdk/lib/_internal/compiler/js_lib/js_number.dart b/sdk/lib/_internal/compiler/js_lib/js_number.dart
index 0648aad12d66..03c68bb00022 100644
--- a/sdk/lib/_internal/compiler/js_lib/js_number.dart
+++ b/sdk/lib/_internal/compiler/js_lib/js_number.dart
@@ -415,6 +415,7 @@ class JSInt extends JSNumber implements int, double {
   int modInverse(int m) {
     if (m is! int) throw new ArgumentError(m);
     if (m <= 0) throw new RangeError(m);
+    if (this == 0) return 0;
     bool ac = m.isEven;
     int u = m;
     int v = this;
diff --git a/sdk/lib/core/int.dart b/sdk/lib/core/int.dart
index f12c97c5edb1..745ff07a9478 100644
--- a/sdk/lib/core/int.dart
+++ b/sdk/lib/core/int.dart
@@ -116,6 +116,7 @@ abstract class int extends num {
    * modulo [modulus].
    *
    * The [modulus] must be positive.
+   * Returns 0 if no modular inverse exists.
    */
   int modInverse(int modulus);
 
diff --git a/tests/corelib/big_integer_arith_vm_test.dart b/tests/corelib/big_integer_arith_vm_test.dart
index a2d8ad23fd89..7492d0834e34 100644
--- a/tests/corelib/big_integer_arith_vm_test.dart
+++ b/tests/corelib/big_integer_arith_vm_test.dart
@@ -235,6 +235,9 @@ UnimplementedEvenModulusModInverse(x, m) {
 
 testBigintModInverse() {
   var x, m;
+  x = 0;
+  m = 1000000001;
+  Expect.equals(0, x.modInverse(m));  // Not coprime.
   x = 1234567890;
   m = 19;
   Expect.equals(11, x.modInverse(m));