Cody

# Problems

1 – 50 of 111
 Problem Title Likes Solvers Difficulty

#### Problem 44098. Find my secret function I

Created by: Said BOUREZG

Tags primes

2

26

#### Problem 2335. Find the number that has most primes those less than it

Created by: Huy

Tags primes, vector

0

59

#### Problem 52298. Which Prime

Created by: Dyuman Joshi

Tags primes

1

17

#### Problem 2411. Largest Prime Number

Created by: Vinod Sudheesh

Tags primes

0

116

#### Problem 1761. Primes Faster for Large N

Created by: Richard Zapor

1

25

#### Problem 1763. Primes for Large N: 2^30, System Memory Limit

Created by: Richard Zapor

1

16

#### Problem 42483. Give prime Numbers upto n

Created by: Manish Kapgate

Tags primes

0

76

#### Problem 42513. Is it prime?

Created by: Azhar

5

96

#### Problem 44284. Given a number N, find the smallest prime P>N

Created by: AMITAVA BISWAS

Tags primes

1

57

#### Problem 47803. Check if the input is a strong prime

Created by: Mehmet OZC

0

16

#### Problem 46848. Modulo of sum of square of first n primes with 24

Created by: Mayank Bajpai

3

14

#### Problem 42704. prime to each other

Created by: George-Felix Leu

Tags primes

1

49

#### Problem 46054. Count trailing zeros in a primorial

Created by: ChrisR

3

18

#### Problem 50038. Number Puzzles - 014

Created by: Doddy Kastanya

Tags primes, puzzles

1

14

#### Problem 52397. Find the nth composite number.

Created by: Apurbo Roy Chowdhury

0

13

#### Problem 44266. Sort the prime numbers in each row of a matrix

Created by: Loris Chavée

2

31

#### Problem 49738. Determine whether a prime is Pythagorean

Created by: ChrisR

0

13

Created by: S AY

3

258

0

8

#### Problem 44861. Ratio between sums of prime and non-prime numbers

Created by: Jesús Zambrano

Tags primes, ratio

1

31

#### Problem 43269. Get all prime factors

Created by: Jamil Kasan

6

328

#### Problem 42749. Find the nearest prime

Created by: Pooja Narayan

Tags math, primes

1

58

#### Problem 248. Twins in a Window

Created by: Ned Gulley

Tags primes

2

133

#### Problem 3020. Prime Letters = Removing

Created by: Gareth Thomas

Tags primes

0

77

#### Problem 51466. List prime anagrams of a number

Created by: ChrisR

1

14

#### Problem 52293. Palindromic Prime

Created by: Dyuman Joshi

3

9

#### Problem 47798. Check if the input is a balanced prime

Created by: Mehmet OZC

1

18

#### Problem 49733. Solve the arithmetic differential equation D(n) = n

Created by: ChrisR

0

4

#### Problem 50933. Find pairs of primes with the same digit sum

Created by: ChrisR

1

8

#### Problem 51198. Find pairs of primes with the same digit sum and a specified separation

Created by: ChrisR

1

8

#### Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

3

400

#### Problem 43085. Primes Checker

Created by: Jamil Kasan

8

52

#### Problem 44862. Ratio between sum of primes and sum of factors

Created by: Jesús Zambrano

0

26

#### Problem 51798. Label primes with the Erdos-Selfridge classification

Created by: ChrisR

1

7

#### Problem 52639. Determine whether a number is unprimeable

Created by: ChrisR

2

7

#### Problem 45367. Sieve of Eratosthenes - 02

Created by: Asif Newaz

1

14

#### Problem 47808. Check if the input is an interprime

Created by: Mehmet OZC

0

16

#### Problem 51720. Hoax Numbers

Created by: Dyuman Joshi

Tags primes, numbers

3

12

#### Problem 51312. Count the square-full divisors of a number

Created by: ChrisR

0

6

#### Problem 50182. Compute the Euler totient function

Created by: ChrisR

1

9

#### Problem 46624. List the emirps

Created by: ChrisR

2

29

#### Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, find, mod

1

63

#### Problem 52288. List Honaker primes

Created by: ChrisR

2

9

#### Problem 46046. Determine whether a number is a cluster prime

Created by: ChrisR

4

14

#### Problem 46057. Find the last non-zero digit in a primorial

Created by: ChrisR

1

12

#### Problem 50948. Identify prime words

Created by: ChrisR

Tags primes, strings

1

8

#### Problem 44099. Find my secret function II

Created by: Said BOUREZG

Tags primes

1

21

#### Problem 47843. Compute the arithmetic derivative of integers

Created by: ChrisR

0

14

#### Problem 46111. Evaluate the prime zeta function

Created by: ChrisR

1

11

#### Problem 46047. Identify Wagstaff primes

Created by: ChrisR

Tags primes

2

23

1 – 50 of 111