Cody

# Problems

1 – 50 of 63
 Problem Title Likes Solvers

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

48

3733

#### Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

12

1194

#### Problem 83. Prime factor digits

Created by: Cody Team

12

754

#### Problem 241. Project Euler: Problem 7, Nth prime

Created by: Doug Hull

6

449

Created by: goc3

5

385

#### Problem 659. How long is the longest prime diagonal?

Created by: Ned Gulley

9

317

#### Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

1

253

Created by: S AY

1

222

#### Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

0

200

#### Problem 248. Twins in a Window

Created by: Ned Gulley

Tags primes

1

122

#### Problem 43269. Get all prime factors

Created by: Jamil Kasan

5

155

#### Problem 365. Numbers with prime factors 2, 3 and 5.

Created by: elias GR

Tags primes, factors

2

152

Created by: goc3

1

141

#### Problem 1095. Circular Primes (based on Project Euler, problem 35)

Created by: James

5

124

#### Problem 2411. Largest Prime Number

Created by: Vinod Sudheesh

Tags primes

0

96

#### Problem 2340. Numbers spiral diagonals (Part 1)

Created by: Jean-Marie Sainthillier

2

82

#### Problem 42513. Is it prime?

Created by: Azhar

4

77

#### Problem 3020. Prime Letters = Removing

Created by: Gareth Thomas

Tags primes

0

64

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

Created by: Manish Kapgate

Tags primes

0

62

#### Problem 2342. Numbers spiral diagonals (Part 2)

Created by: Jean-Marie Sainthillier

1

54

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

Created by: Jean-Marie Sainthillier

1

59

#### Problem 43015. Number of primes

Created by: Abhishek Jain

8

59

#### Problem 42749. Find the nearest prime

Created by: Pooja Narayan

Tags math, primes

0

44

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

Created by: Huy

Tags primes, vector

0

50

#### Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, find, mod

0

46

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

Created by: AMITAVA BISWAS

Tags primes

1

44

#### Problem 42704. prime to each other

Created by: George-Felix Leu

Tags primes

1

37

#### Problem 43085. Primes Checker

Created by: Jamil Kasan

8

44

#### Problem 42914. Counting the Grand Primes

Created by: John D'Errico

3

29

#### Problem 43087. Move if I am Optimus Prime

Created by: Jamil Kasan

Tags primes, jokes

6

27

#### Problem 44266. Sort the prime numbers in each row of a 3x3 matrix

Created by: Loris Chavée

1

23

#### Problem 44403. Goldbach's marginal conjecture - Write integer as sum of three primes

Created by: yurenchu

2

25

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

Created by: Said BOUREZG

Tags primes

1

22

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

Created by: Richard Zapor

1

14

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

Created by: Said BOUREZG

Tags primes

1

17

#### Problem 1394. Prime Ladders

Created by: Ned Gulley

Tags primes

5

20

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

Created by: Jesús Zambrano

Tags primes, ratio

1

19

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

Created by: Richard Zapor

1

9

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

Created by: Jesús Zambrano

0

16

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

Created by: Richard Zapor

1

6

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

Created by: Asif Newaz

1

10

#### Problem 46047. Identify Wagstaff primes

Created by: ChrisR

Tags primes

0

9

#### Problem 46624. List the emirps

Created by: ChrisR

2

8

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

Created by: ChrisR

1

7

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

Created by: kaatil_coder

1

6

#### Problem 46928. PRIME GENERATOR

Created by: Monica R

0

6

#### Problem 45964. Compute the nth Pythagorean prime

Created by: ChrisR

0

5

#### Problem 46050. Construct a prime circle

Created by: ChrisR

Tags primes

3

4

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

Created by: ChrisR

2

5

#### Problem 45429. Prime Sum

Created by: Asif Newaz

0

5

1 – 50 of 63