diff --git a/examples/prime.asm b/examples/prime.asm
new file mode 100644
index 0000000..03a6c1e
--- /dev/null
+++ b/examples/prime.asm
@@ -0,0 +1,31 @@
+;find all prime numbers between 3 and 100
+;main loop
+MOV 3 N
+LBL M
+;	number to test
+	MOV N A
+	MOV A ANS
+	SUB 3
+;	test loop
+	LBL L
+		ADD 2
+		MOV ANS D
+;		remainder test
+		MOV A ANS
+		MOD D
+		JEZ F
+;		dsz d
+		MOV D ANS
+;		lpwhile d>2
+		SUB 3
+	JMZ L
+;	true
+	MOV A ANS
+	DSP
+;	false
+	LBL F
+	MOV N ANS
+	ADD 2
+	MOV ANS N
+	SUB 99
+JNZ M