diff --git a/eratosthenes_parallel.go b/eratosthenes_parallel.go
index 6058388..c57c174 100644
--- a/eratosthenes_parallel.go
+++ b/eratosthenes_parallel.go
@@ -14,24 +14,13 @@ func main() {
 	}
 	t0 := time.Now()
 	sieve := make([]bool, n)
-	col := 0
 	var found int64
 	var i int64
 	i = 2
 	found++
-	s := fmt.Sprintf("%d, ", i)
-	fmt.Print(s)
-	col += len(s)
 	for i = 3; i < n; i += 2 {
 		if !sieve[i] {
 			found++
-			s := fmt.Sprintf("%d, ", i)
-			if col+len(s) > 80 {
-				fmt.Print("\n")
-				col = 0
-			}
-			fmt.Print(s)
-			col += len(s)
 			for j := i * i; j < n; j += 2 * i {
 				sieve[j] = true
 			}