Cody

# Problems

1 – 50 of 91
 Problem Title Likes Solvers Difficulty

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

Created by: Richard Zapor

1

13

#### Problem 2411. Largest Prime Number

Created by: Vinod Sudheesh

Tags primes

0

106

#### Problem 42704. prime to each other

Created by: George-Felix Leu

Tags primes

1

47

#### Problem 44849. Given a base n, find the y values less or equal than 100(without 1), such that they will never produce a periodic number if we divide any whole number between some of them

Created by: Fabio Squizzato

1

8

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

Created by: Manish Kapgate

Tags primes

0

71

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

Created by: Huy

Tags primes, vector

0

58

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

Created by: Said BOUREZG

Tags primes

2

25

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

Created by: ChrisR

1

5

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

Created by: ChrisR

1

4

#### Problem 52298. Which Prime

Created by: Dyuman Joshi

Tags primes

1

7

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

Created by: Richard Zapor

1

19

#### Problem 42513. Is it prime?

Created by: Azhar

5

93

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

Created by: AMITAVA BISWAS

Tags primes

1

55

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

Created by: Mehmet OZC

0

15

#### Problem 43269. Get all prime factors

Created by: Jamil Kasan

6

202

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

Created by: Mayank Bajpai

2

13

#### Problem 3020. Prime Letters = Removing

Created by: Gareth Thomas

Tags primes

0

75

#### Problem 50038. Number Puzzles - 014

Created by: Doddy Kastanya

Tags primes, puzzles

1

12

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

Created by: ChrisR

0

12

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

Created by: ChrisR

3

16

#### Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

3

306

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

Created by: Loris Chavée

1

29

Created by: S AY

3

256

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

Created by: Jesús Zambrano

Tags primes, ratio

1

30

#### Problem 42749. Find the nearest prime

Created by: Pooja Narayan

Tags math, primes

1

55

0

7

#### Problem 52288. List Honaker primes

Created by: ChrisR

1

6

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

Created by: Mehmet OZC

1

17

#### Problem 248. Twins in a Window

Created by: Ned Gulley

Tags primes

2

130

#### Problem 46060. Identify primorial primes

Created by: ChrisR

1

11

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

Created by: Jesús Zambrano

0

25

#### Problem 43085. Primes Checker

Created by: Jamil Kasan

8

51

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

Created by: ChrisR

1

10

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

Created by: Asif Newaz

1

11

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

Created by: ChrisR

1

10

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

Created by: ChrisR

0

6

#### Problem 52293. Palindromic Prime

Created by: Dyuman Joshi

1

3

#### Problem 46624. List the emirps

Created by: ChrisR

2

27

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

Created by: ChrisR

4

14

#### Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

2

241

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

Created by: Mehmet OZC

0

14

#### Problem 51720. Hoax Numbers

Created by: Dyuman Joshi

Tags primes, numbers

2

5

#### Problem 2337. Sum of big primes without primes

Created by: Jean-Marie Sainthillier

1

105

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

Created by: ChrisR

1

7

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

Created by: ChrisR

1

11

Created by: goc3

7

406

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

Created by: ChrisR

0

9

#### Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, find, mod

1

59

#### Problem 46047. Identify Wagstaff primes

Created by: ChrisR

Tags primes

2

22

#### Problem 1697. Make a Pandiagonal Prime Magic Square: 11 x 11

Created by: Richard Zapor

1

8

1 – 50 of 91