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Task/Semiprime/Scala/semiprime.scala

@@ -0,0 +1,20 @@
+object Semiprime extends App {
+
+  def isSP(n: Int): Boolean = {
+    var nf: Int = 0
+    var l = n
+    for (i <- 2 to l/2) {
+      while (l % i == 0) {
+        if (nf == 2) return false
+        nf +=1
+        l /= i
+      }
+    }
+    nf == 2
+  }
+
+  (2 to 100) filter {isSP(_) == true} foreach {i => print("%d ".format(i))}
+  println
+  1675 to 1681 foreach {i => println(i+" -> "+isSP(i))}
+
+}