diff --git a/mathgen.py b/mathgen.py
new file mode 100644
index 0000000..ffb2ebe
--- /dev/null
+++ b/mathgen.py
@@ -0,0 +1,43 @@
+import random
+
+
+genList = []
+
+
+# || Generator class
+class Generator:
+    def __init__(self, title, id, generalProb, generalSol, func):
+        self.title = title
+        self.id = id
+        self.generalProb = generalProb
+        self.generalSol = generalSol
+        self.func = func
+        genList.append([id, title, self])
+
+    def __str__(self):
+        return str(self.id) + " " + self.title + " " + self.generalProb + " " + self.generalSol
+
+    def __call__(self, **kwargs):
+        return self.func(**kwargs)
+
+
+def isprime(max_a=100):
+    a = random.randint(2, max_a)
+    problem = a
+    if a == 2:
+        solution = True
+        return (problem, solution)
+    if a % 2 == 0:
+        solution = False
+        return (problem, solution)
+    for i in range(3, a // 2 + 1, 2):
+        if a % i == 0:
+            solution = False
+            return (problem, solution)
+    solution = True
+    return (problem, solution)
+
+
+is_prime = Generator('isprime', 74, 'a any positive integer',
+                     'True/False', isprime)
+print(is_prime.func)
diff --git a/mathgenerator/funcs/__init__.py b/mathgenerator/funcs/__init__.py
index 2d0910f..bf59c56 100644
--- a/mathgenerator/funcs/__init__.py
+++ b/mathgenerator/funcs/__init__.py
@@ -94,3 +94,4 @@ from .degree_to_rad import *
 from .radian_to_deg import *
 from .differentiation import *
 from .definite_integral import *
+from .isprime import *
\ No newline at end of file
diff --git a/mathgenerator/funcs/isprime.py b/mathgenerator/funcs/isprime.py
new file mode 100644
index 0000000..9da7bfb
--- /dev/null
+++ b/mathgenerator/funcs/isprime.py
@@ -0,0 +1,18 @@
+from .__init__ import *
+
+
+def isprime(max_a=100):
+    a = random.randint(2, max_a)
+    problem = a
+    if a == 2:
+        solution = True
+        return (problem, solution)
+    if a % 2 == 0:
+        solution = False
+        return (problem, solution)
+    for i in range(3, a // 2 + 1, 2):
+        if a % i == 0:
+            solution = False
+            return (problem, solution)
+    solution = True
+    return (problem, solution)