diff --git a/algorithms/Python/README.md b/algorithms/Python/README.md
index b2be029d..7cfd6fa9 100644
--- a/algorithms/Python/README.md
+++ b/algorithms/Python/README.md
@@ -83,3 +83,7 @@
 
 ## Queues
 - [First in First out Queue](queues/fifo-queue.py)
+
+
+##Number Theory 
+- [Prime Number Checker][number_theory/prime_number.py]
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diff --git a/algorithms/Python/number_theory/prime_number.py b/algorithms/Python/number_theory/prime_number.py
new file mode 100644
index 00000000..54190ab1
--- /dev/null
+++ b/algorithms/Python/number_theory/prime_number.py
@@ -0,0 +1,16 @@
+#TO CHECK WHETHER A NUMBER IS PRIME OR NOT
+
+
+N = int(input())
+
+PRIME = True
+
+for i in range(2, int(N**0.5+1)):
+	if N%i==0:
+		PRIME = False 
+		break 
+
+if PRIME:
+	print(f"{N} is prime")
+else:
+	print(f"{N} is not prime")
\ No newline at end of file