diff --git a/bin/prime.py b/bin/prime.py
index 16f260121..9ed786e12 100755
--- a/bin/prime.py
+++ b/bin/prime.py
@@ -78,7 +78,7 @@ def prime(n):
         click.echo(f"{n} is not prime. Want proof? :)")
         click.echo("\n".join([line for line in PROOF if f'[[{n}]]' in line]))
 
-    click.echo(print_sieve(sieve))
+    click.echo(f"Primes up to {n}: {print_sieve(sieve)}.")
 
 if __name__ == '__main__':
     prime()