Cody

# Problems

1 – 42 of 42
 Problem Title Likes Solvers

#### The Goldbach Conjecture

Created by: Cody Team

Tags primes

46

3222

#### The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

11

921

#### Prime factor digits

Created by: Cody Team

10

525

#### 5 Prime Numbers

Created by: goc3

Tags five, prime, primes

2

347

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

Created by: Doug Hull

4

316

#### How long is the longest prime diagonal?

Created by: Ned Gulley

7

273

Created by: S AY

1

186

#### Sophie Germain prime

Created by: Aurelien Queffurust

0

173

#### Largest Twin Primes

Created by: Des Mc Manus

Tags primes

0

130

#### Twins in a Window

Created by: Ned Gulley

Tags primes

1

106

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

Created by: elias GR

Tags factors, primes

1

101

#### Largest Prime Number

Created by: Vinod Sudheesh

Tags primes

0

84

#### Get all prime factors

Created by: Jamil Kasan

4

82

Created by: goc3

1

67

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

Created by: James

3

64

#### Is it prime?

Created by: Azhar

4

56

#### Give prime Numbers upto n

Created by: Manish Kapgate

Tags primes

0

51

#### Numbers spiral diagonals (Part 1)

Created by: Jean-Marie Sainthillier

0

49

#### Prime Letters = Removing

Created by: Gareth Thomas

Tags primes

0

47

#### Number of primes

Created by: Abhishek Jain

8

45

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

Created by: Huy

Tags primes, vector

0

43

#### Find the nearest prime

Created by: Pooja Narayan

Tags primes, math

0

36

#### Primes Checker

Created by: Jamil Kasan

8

34

#### Numbers spiral diagonals (Part 2)

Created by: Jean-Marie Sainthillier

1

34

#### P-smooth numbers

Created by: Richard Zapor

Tags primes, mod, find

0

32

#### Sum of big primes without primes

Created by: Jean-Marie Sainthillier

0

30

#### prime to each other

Created by: George-Felix Leu

Tags primes

0

29

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

Created by: AMITAVA BISWAS

Tags primes

1

29

#### Counting the Grand Primes

Created by: John D'Errico

Tags primes, prime, twin

3

22

#### Move if I am Optimus Prime

Created by: Jamil Kasan

Tags primes, jokes

6

22

#### Find my secret function I

Created by: Said BOUREZG

Tags primes

1

20

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

Created by: Loris Chavée

1

16

#### Find my secret function II

Created by: Said BOUREZG

Tags primes

0

14

#### Primes Faster for Large N

Created by: Richard Zapor

Tags primes, true, find

0

11

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

Created by: yurenchu

1

11

Created by: Ned Gulley

Tags primes

2

11

#### Ratio between sum of primer numbers and non-prime numbers

Created by: Jesús Zambrano

Tags primes, ratio

0

11

#### Ratio between sum of primes and sum of factors

Created by: Jesús Zambrano

0

9

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

Created by: Richard Zapor

1

8

#### Make a Pandiagonal Prime Magic Square: 11 x 11

Created by: Richard Zapor

0

4

#### Prime Sequences: AP-k Minimum Final Value

Created by: Richard Zapor

0

4

#### 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

0

3

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