Cody

Problems

1 – 50 of 104
Problem Title
Likes
Solvers
Difficulty

Problem 44098. Find my secret function I

Created by: Said BOUREZG

Tags primes

2

25

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

Created by: Huy

Tags primes, vector

0

59

Problem 44849. 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

Tags primes, linear algebra, basic matlab

1

8

Problem 52298. Which Prime

Created by: Dyuman Joshi

Tags primes

1

14

Problem 42483. Give prime Numbers upto n

Created by: Manish Kapgate

Tags primes

0

73

Problem 2411. Largest Prime Number

Created by: Vinod Sudheesh

Tags primes

0

110

Problem 1761. Primes Faster for Large N

Created by: Richard Zapor

Tags primes, find, logical

1

22

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

Created by: Richard Zapor

Tags primes, logical, memory management

1

13

Problem 42513. Is it prime?

Created by: Azhar

Tags primes, basic matlab, basics

5

95

Problem 47803. Check if the input is a strong prime

Created by: Mehmet OZC

Tags primes, number theory, strong prime

0

16

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

Created by: AMITAVA BISWAS

Tags primes

1

55

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

Created by: Mayank Bajpai

Tags primes, modulo, linear pattern

3

14

Problem 42704. prime to each other

Created by: George-Felix Leu

Tags primes

1

49

Problem 46054. Count trailing zeros in a primorial

Created by: ChrisR

Tags primes, number theory, primorial

3

18

Problem 50038. Number Puzzles - 014

Created by: Doddy Kastanya

Tags primes, puzzles

1

14

Problem 3020. Prime Letters = Removing

Created by: Gareth Thomas

Tags primes

0

75

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

Created by: Loris Chavée

Tags primes, sorting, matrix

2

30

Problem 52397. Find the nth composite number.

Created by: Apurbo Roy Chowdhury

Tags primes, nthprime

0

11

Problem 49738. Determine whether a prime is Pythagorean

Created by: ChrisR

Tags primes, pythagoras, number theory

0

12

Problem 1375. select the primes of a vector

Created by: S AY

Tags primes, test, poor_test_suite

3

257

Problem 45543. Find the remainder with the factorial of PRIMES?

Created by: Muhammad Usman

Tags primes, loop, numbers

0

8

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

Created by: Jesús Zambrano

Tags primes, ratio

1

31

Problem 51198. Find pairs of primes with the same digit sum and a specified separation

Created by: ChrisR

Tags primes, sequence, digit sum

1

7

Problem 42749. Find the nearest prime

Created by: Pooja Narayan

Tags math, primes

1

56

Problem 50933. Find pairs of primes with the same digit sum

Created by: ChrisR

Tags primes, digit sum

1

6

Problem 43269. Get all prime factors

Created by: Jamil Kasan

Tags primes, factorization

6

309

Problem 47798. Check if the input is a balanced prime

Created by: Mehmet OZC

Tags primes, number theory, balanced prime

1

18

Problem 52293. Palindromic Prime

Created by: Dyuman Joshi

Tags primes, palindrome

3

9

Problem 51466. List prime anagrams of a number

Created by: ChrisR

Tags primes, permutations, anagram

1

13

Problem 248. Twins in a Window

Created by: Ned Gulley

Tags primes

2

131

Problem 52584. Easy Sequences 9: Faithful Pairs

Created by: Ramon Villamangca

Tags easy, sequences, primes

0

4

Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

Tags prime, primes, sophie germain

3

394

Problem 52639. Determine whether a number is unprimeable

Created by: ChrisR

Tags primes, project euler

2

7

Problem 43085. Primes Checker

Created by: Jamil Kasan

Tags primes, variable input

8

51

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

Created by: Jesús Zambrano

Tags primes, factors, ratio

0

25

Problem 52497. Easy Sequences 3: Prime 44-number Squares

Created by: Ramon Villamangca

Tags easy, sequences, primes

1

5

Problem 51312. Count the square-full divisors of a number

Created by: ChrisR

Tags primes, number theory, sequence

0

6

Problem 51798. Label primes with the Erdos-Selfridge classification

Created by: ChrisR

Tags primes, number theory, guy a18

1

6

Problem 46624. List the emirps

Created by: ChrisR

Tags sequences, primes

2

27

Problem 47843. Compute the arithmetic derivative of integers

Created by: ChrisR

Tags primes, integers, arithmetic derivative

0

11

Problem 51720. Hoax Numbers

Created by: Dyuman Joshi

Tags primes, numbers

3

11

Problem 50182. Compute the Euler totient function

Created by: ChrisR

Tags primes, number theory

1

8

Problem 52288. List Honaker primes

Created by: ChrisR

Tags primes, digit sum

2

9

Problem 46046. Determine whether a number is a cluster prime

Created by: ChrisR

Tags primes, number theory

4

14

Problem 46057. Find the last non-zero digit in a primorial

Created by: ChrisR

Tags primes, number theory, primorial

1

12

Problem 46060. Identify primorial primes

Created by: ChrisR

Tags primes, number theory, primorial

1

12

Problem 47808. Check if the input is an interprime

Created by: Mehmet OZC

Tags primes, number theory, interprime

0

14

Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, find, mod

1

61

Problem 50948. Identify prime words

Created by: ChrisR

Tags primes, strings

1

7

Problem 46111. Evaluate the prime zeta function

Created by: ChrisR

Tags primes, zeta function

1

11
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