Cody

Problems

101 – 127 of 127
Problem Title
Likes
Solvers
Difficulty

Problem 659. How long is the longest prime diagonal?

Created by: Ned Gulley

Tags primes, spiral, diagonal

14

375

Problem 52784. Easy Sequences 38: Prime Number Delta

Created by: Ramon Villamangca

Tags easy, primes, number theory

1

4

Problem 54295. prime consecutive sums

Created by: CXD

Tags primes, series, numbers

1

6

Problem 57417. Easy Sequences 86: The "real" Hyperprimorials

Created by: Ramon Villamangca

Tags easy, primes, number theory

0

3

Problem 52183. List the nth prime quartet prefix

Created by: ChrisR

Tags primes, convolution, sequence

0

6

Problem 83. Prime factor digits

Created by: Cody Team

Tags primes

20

1747

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

Created by: James

Tags primes, projecteuler, circular reasoning

7

293

Problem 46050. Construct a prime circle

Created by: ChrisR

Tags primes

6

19

Problem 51077. List composite numbers that cannot be written as the sum of two primes

Created by: ChrisR

Tags primes, number theory, sequence

3

9

Problem 53810. List the Beatriz numbers

Created by: ChrisR

Tags primes, number theory, sequence

3

5

Problem 54620. List the Euclid numbers

Created by: ChrisR

Tags primes, sequence, infinitude

0

6

Problem 52313. Truncatable Primes

Created by: Dyuman Joshi

Tags primes

2

5

Problem 2342. Numbers spiral diagonals (Part 2)

Created by: Jean-Marie Sainthillier

Tags primes, project euler, spiral

2

107

Problem 52574. Easy Sequences 8: Triangles with integer sides and prime perimeters

Created by: Ramon Villamangca

Tags easy, sequences, primes

1

7

Problem 53735. Easy Sequences 58: Curious Prime-Rational Functions

Created by: Ramon Villamangca

Tags easy, primes, function

0

3

Problem 52614. Easy Sequences 12: 50th Prime

Created by: Ramon Villamangca

Tags easy, sequences, primes

0

11

Problem 1394. Prime Ladders

Created by: Ned Gulley

Tags primes

8

33

Problem 53009. Easy Sequences 48: Prime Big Omega of Factorial Sequence

Created by: Ramon Villamangca

Tags easy, primes, number theory

1

4

Problem 53029. Easy Sequences 49: Prime Little Omega Function

Created by: Ramon Villamangca

Tags easy, primes, simple

1

4

Problem 52985. Easy Sequences 47: Boxes with Prime Edges

Created by: Ramon Villamangca

Tags easy, primes, geometry

2

5

Problem 45429. Prime Sum

Created by: Asif Newaz

Tags primes, projecteuler, euler

0

7

Problem 52664. List the Moran numbers

Created by: ChrisR

Tags primes, sequence, digit sum

3

6

Problem 53094. Easy Sequences 51: Positive Gaussian Primes

Created by: Ramon Villamangca

Tags easy, primes, simple

2

3

Problem 53740. Easy Sequences 59: Almost Twin Primes

Created by: Ramon Villamangca

Tags easy, primes, number theory

1

2

Problem 57412. Easy Sequences 85: Hyperprimorials

Created by: Ramon Villamangca

Tags easy, primes, number theory

0

1

Problem 52567. Easy Sequences 7: Easy as Composite Pi

Created by: Ramon Villamangca

Tags easy, sequences, primes

1

4

Problem 1688. Prime Sequences: AP-k Minimum Final Value

Created by: Richard Zapor

Tags primes, isprime, primorial

0

4
101 – 127 of 127