diff --git a/README.md b/README.md
index 4c05238..4264780 100644
--- a/README.md
+++ b/README.md
@@ -50,20 +50,20 @@ By default, each node is allocated:
 
 	By default, this script searches for prime numbers from `1-10,000` and `10,001-20,000`
 
-    You can adjust the range searched per node by providing an integer argument, e.g.:
+   You can adjust the range searched per node by providing an integer argument, e.g.:
 
 	   /vagrant/primes.sh 20000
 
 	The script will then drop you into a `watch -n0.1 squeue` view so you can see
-  each job computing on `nodes[3-4]`. You may `CTRL+c` out of this view, and
-  the jobs will continue in the background. The home directory for the `submit`
-  user is in the shared `/vagrant` directory, so the results from each node are
-  shared back to the login node.
+   the job computing on `nodes[3-4]`. You may `CTRL+c` out of this view, and
+   the job will continue in the background. The home directory for the `submit`
+   user is in the shared `/vagrant` directory, so the results from each node are
+   shared back to the login node.
 
 4. View the resulting prime numbers found, check `ls` for exact filenames
 
-       less slurm-1.out
-       less slurm-2.out
+       less slurm-1_0.out
+       less slurm-2_1.out
 
 ### Configuration Tool
 
diff --git a/primes.sh b/primes.sh
index 588b639..41d7a1f 100755
--- a/primes.sh
+++ b/primes.sh
@@ -24,7 +24,7 @@ RANGE=${1:-10000}
 function find_primes() {
   local START="$1"
   local END="$2"
-  echo "INFO: Job $SLURM_JOB_ID looking for prime numbers from $START to $END"
+  echo "INFO: Job ${SLURM_ARRAY_JOB_ID}_${SLURM_ARRAY_TASK_ID} looking for prime numbers from $START to $END"
   for ((i=START;i<=END;i++)); do
     if [ "$(factor "$i")" == "$i: $i" ]; then
       echo "$i"
@@ -32,10 +32,13 @@ function find_primes() {
   done
 }
 
-if [ -z "$SLURM_JOB_ID" ]; then
-  sbatch -N1 --wrap="$0 1 $RANGE"
-  sbatch -N1 --wrap="$0 $((RANGE + 1)) $((RANGE * 2))"
+if [ -z "$SLURM_ARRAY_JOB_ID" ]; then
+  sbatch -N1 -a0-1 "$0" "$RANGE"
   watch -n0.1 squeue
 else
-  find_primes "$1" "$2"
+  if [ "$SLURM_ARRAY_TASK_ID" -eq 0 ]; then
+    find_primes 1 "$RANGE"
+  else
+    find_primes $((RANGE + 1)) $((RANGE * 2))
+  fi
 fi