Prime Numbers III

Curated by : ChrisR

Average Problem Difficulty:

More problems on the building blocks of numbers

Community Group Solver

+50 points

Problem Title	Likes	Solvers
Problem 52664. List the Moran numbers Created by: ChrisR Tags primes, speed, sequence	3	13
Problem 52881. List the cuban primes Created by: ChrisR Tags primes, project euler, sequence	1	13
Problem 52956. Compute the largest number whose prime factors sum to n Created by: ChrisR Tags primes, sequence, integer complexity	1	11
Problem 53810. List the Beatriz numbers Created by: ChrisR Tags primes, number theory, sequence	3	7
Problem 54620. List the Euclid numbers Created by: ChrisR Tags primes, sequence, infinitude	0	8
Problem 54755. List odd twin composites Created by: ChrisR Tags primes, number theory, sequence	1	7
Problem 55275. List the semiprimes Created by: ChrisR Tags primes, number theory, sequence	0	13
Problem 57477. Solve an equation involving primes and fractions Created by: ChrisR Tags primes, number theory, sequence	2	7
Problem 57810. List the two-bit primes Created by: ChrisR Tags primes, strings, puzzle	1	9
Problem 57815. List numbers such that every sum of consecutive positive integers ending in those numbers is composite Created by: ChrisR Tags primes, sequence, triangular	1	7
Problem 57869. Identify de Polignac numbers Created by: ChrisR Tags primes, number theory, sequence	2	19
Problem 58018. List the Fermi-Dirac primes Created by: ChrisR Tags primes, number theory	2	11
Problem 58019. Factor a number into Fermi-Dirac primes Created by: ChrisR Tags primes, number theory	2	8
Problem 58498. Compute the Sisyphus sequence Created by: ChrisR Tags primes, sequence, mythology	0	6
Problem 59126. Compute the bubble popper fidget spinner sequence Created by: ChrisR Tags binary, sequence, modulo	1	5
Problem 59170. Determine whether a number is a Zeisel number Created by: ChrisR Tags primes, sequence, recurrence	1	7
Problem 59701. Express numbers as the sum of a prime, a square, and a cube Created by: ChrisR Tags primes, puzzle, partitions	2	6
Problem 59836. Determine whether a number is a Gaussian prime Created by: ChrisR Tags primes, mod, complex	2	7
Problem 60581. List primes of the form xy+z Created by: ChrisR Tags primes, number theory, sequence	0	9

Recent Group Finishers4

Recent Activity

	James submitted Solution 14522471 to Problem 60581. List primes of the form xy+z on 13 Jan 2025
	Jean-Marie Sainthillier submitted Solution 14511974 to Problem 57810. List the two-bit primes on 30 Dec 2024
	Jean-Marie Sainthillier submitted Solution 14504627 to Problem 59170. Determine whether a number is a Zeisel number on 20 Dec 2024
	Paul Morant submitted Solution 14501635 to Problem 52664. List the Moran numbers on 17 Dec 2024
	GeeTwo submitted Solution 14460563 to Problem 58498. Compute the Sisyphus sequence on 10 Dec 2024

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