The Prime Directive

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Time to get your Number Theory on. These are all problems related to prime numbers in one way or another.

Community Group Solver

+50 points

Problem Title	Likes	Solvers
Problem 44384. Find the nearest prime number Created by: Matthew Eicholtz Tags prime numbers, cody5	8	639
Problem 44385. Extra safe primes Created by: Matthew Eicholtz Tags prime numbers, cody5, safe prime	12	741
Problem 83. Prime factor digits Created by: Cody Team Tags primes	26	2385
Problem 3016. Twin Primes Created by: goc3 Tags prime, integer, sequence	1	86
Problem 248. Twins in a Window Created by: Ned Gulley Tags primes	2	157
Problem 60. The Goldbach Conjecture Created by: Cody Team Tags primes	59	5776
Problem 64. The Goldbach Conjecture, Part 2 Created by: Cody Team Tags primes	18	2367
Problem 44403. Goldbach's marginal conjecture - Write integer as sum of three primes Created by: yurenchu Tags primes, goldbach conjecture	3	67
Problem 896. Sophie Germain prime Created by: Aurelien Queffurust Tags prime, primes, sophie germain	4	904
Problem 2910. Mersenne Primes vs. All Primes Created by: goc3 Tags primes, comparison, powers	7	723
Problem 1095. Circular Primes (based on Project Euler, problem 35) Created by: James Tags primes, projecteuler, circular reasoning	9	569
Problem 2342. Numbers spiral diagonals (Part 2) Created by: Jean-Marie Sainthillier Tags primes, project euler, spiral	4	156
Problem 2736. Pernicious Anniversary Problem Created by: Jan Orwat Tags easy, sequences, oeis	13	823
Problem 1394. Prime Ladders Created by: Ned Gulley Tags primes	10	48

	Suraj submitted Solution 14558921 to Problem 44385. Extra safe primes on 25 Feb 2025 at 6:36
	Suraj submitted Solution 14558918 to Problem 248. Twins in a Window on 25 Feb 2025 at 6:33
	Suraj submitted Solution 14558917 to Problem 64. The Goldbach Conjecture, Part 2 on 25 Feb 2025 at 6:32
	Suraj submitted Solution 14558916 to Problem 1095. Circular Primes (based on Project Euler, problem 35) on 25 Feb 2025 at 6:31
	Suraj submitted Solution 14558911 to Problem 60. The Goldbach Conjecture on 25 Feb 2025 at 6:25

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