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Number Theory Coding Problems

Prime numbers, GCD, and modular arithmetic

76
Total Problems
11
Easy
33
Medium
32
Hard
Start Practicing
πφ∞gcdmod

Master DSA Topics - January, 2026

Practice problems across 75+ categories

Number Theory Coding Problems

Practice problems frequently asked at Number Theory • 76 problems | 11 Easy | 33 Medium | 32 Hard

3407Google
3399Amazon
3344Microsoft
2900Meta
571Apple
275Facebook
51Netflix
31Uber
27LinkedIn
17Twitter
15Spotify
14Bloomberg
12Adobe
12Airbnb
11Instagram
9DoorDash
9Lyft
8Goldman Sachs
8Oracle
8ByteDance
# Problem Difficulty Topics
76 X of a Kind in a Deck of Cards Easy
ArrayHash TableMath
Showing 76-76 of 76
1 ... 4 5 6

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public class MyFirstJavaProgram { Edit & Run

   /* This is my first java program.
    * This will print 'Hello, World!' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello, World!"); // prints
   }
}

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