Adding Simple Solution - Problem - 263 - Ugly Number

Author: Vanditg

Ugly_Number/SimpleSolution.py

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+##==================================
+## Leetcode
+## Student: Vandit Jyotindra Gajjar
+## Year: 2020
+## Problem: 263
+## Problem Name: Ugly Number   
+##===================================
+#
+#Write a program to check whether a given number is an ugly number.
+#
+#Ugly numbers are positive numbers whose prime factors only include 2, 3, 5.
+#
+#Example 1:
+#
+#Input: 6
+#Output: true
+#Explanation: 6 = 2 × 3
+#Example 2:
+#
+#Input: 8
+#Output: true
+#Explanation: 8 = 2 × 2 × 2
+#Example 3:
+#
+#Input: 14
+#Output: false 
+#Explanation: 14 is not ugly since it includes another prime factor 7.
+class Solution:
+    def isUgly(self, num):
+        if num == 0:	#Condition-check: If num is zero 
+            return False	#We return false 
+        for i in [2, 3, 5]:	#Loop through 2, 3, 5     
+            while num % i == 0:	#Loop till condition met 
+                num /= i	#Update number by dividing by i 
+        return num == 1	#Return true or false if the number will be 1