- Added more guest contributions by Laurent Rosenfeld.

1 files changed, 19 insertions, 0 deletions

diff --git a/challenge-153/laurent-rosenfeld/lua/ch-2.lua b/challenge-153/laurent-rosenfeld/lua/ch-2.lua
new file mode 100644
index 0000000000..de67df223f
--- /dev/null
+++ b/challenge-153/laurent-rosenfeld/lua/ch-2.lua
@@ -0,0 +1,19 @@
+function is_factorion(fact, num)
+    sum = 0
+    i = num
+    while i > 0 do
+        sum = sum + fact[ 1 + i % 10]
+        i = math.floor(i / 10)
+    end
+    return num == sum
+end
+
+fact = {1}
+for n = 1, 10 do
+    table.insert(fact, n * fact[n])
+end
+for j = 1, 50000 do
+    if is_factorion(fact, j) then
+        print(j)
+    end
+end