Q&A Discussions

Guys. Here is a simple challenge from me, how about a program that finds all prime numbers before 100?

22nd Aug 2016, 12:21 PM

Ankita

javascript python3

-2 Votes

a program that takes the integer (n) as positive and prints the sum of prime numbers greater than 1 and less than n as output

28th Sep 2017, 7:52 AM

Onejohi

python

0 Votes

hi can someone help am trying to make a progam that will ask user how many number and it will also list the prime number

26th Dec 2020, 12:16 PM

a.m

0 Votes

How to read an one dimensional array and search which elments was prime or not prime? Thenks for answering :)

20th May 2022, 2:13 PM

ashii

0 Votes

I'm trying to make function that generates prime from range [n, 3n] but it's not working and I don't know why..

24th Dec 2016, 2:50 PM

Faroug AS Hashad

c++code math

0 Votes

How to write program detecting if the input is prime it order to insert another to testing . the program stop when ensert 0

8th Dec 2022, 1:06 PM

Kamil Chojnacki

0 Votes

Write a Java Program to enter the range of an array, and print the Fibonacci series till that range. Accept only the prime ele

19th Oct 2020, 12:12 AM

Morsal

java

0 Votes

Enter n positive integers to print out the prime numbers in the sequence and the number of primes and max of all that primes

10th Sep 2022, 5:29 AM

Itz me Ash

0 Votes

i created a programe for printing all prime no between say 1 to 100 now i want to store all that in an array,how to do that?

8th Oct 2019, 2:38 PM

Lalala

arithmetic numbers prime return

0 Votes

5 Answers

10th Aug 2016, 6:43 PM

Tarun kumar parashar

Eratostanes

1 Vote

2. Write a program which takes the lower limit and upper limit then find which of the number are prime number.

26th Sep 2018, 4:37 PM

DazVonHelmet

python

-1 Vote

3rd Dec 2021, 6:49 PM

SAfiullaH KhoKhar

i=2; i<=num/2; ++i

c++forloop loops prime

0 Votes

Getting started - first problems!

25th Sep 2019, 7:52 AM

Dipanjan Basu

help prime problem started

0 Votes

This is the question I m having problem in "write a function sumprimes(l) that takes as input a list of integers and returns the sum of all the prime numbers in l".

15th Jan 2019, 7:19 AM

Maximilian Spall

python

-1 Vote

4 Answers

3rd Aug 2016, 6:15 PM

Vipul Jain

Getting error that my array might not be initialized. I'm trying contain all prime numbers within a given number into an array.

array findprime java

0 Votes

Please could someone explain to me why the second code isn't working out correctly of writing the sum of prime numbers <10

12th Jul 2017, 3:18 AM

Joseph Nithish

block scope

1 Vote

Why is my program stuck in a recursive loo

3rd Oct 2017, 5:05 AM

Sammy

c++factorisation loops math prime recursion

2 Votes

Challenge: Mersenne primes

18th Jul 2021, 6:38 AM

Purple Requiem

c#c++java mersenne number pgp prime python web

8 Votes

14 Answers

29th Aug 2017, 9:03 AM

Luca

Want a way in which the program prints "is not a prime number" only one time and not many times in loop

java javascript web

0 Votes

To print numbers in the right angle pattern with prime numbers is printed as * and the remaining is printed as itself

15th Sep 2019, 11:49 AM

Aquib Shaikh

c python

0 Votes

Help me understand this algorithim

18th Jul 2019, 11:37 AM

Harsha vardhan

algorithim c++math prime prime-numbers

0 Votes

what is wrong with this code ?

4th Jun 2018, 5:17 PM

X-1

checker code error explanation help num prime python

6 Votes

4 Answers

15th Aug 2019, 1:47 PM

sujay simha

how to find the sum of two numbers that in total will give a prime number( in the list) and print these numbers

python3

-2 Votes

Can someone explain how sieve of eratosthenes algorithm works and segmented sieve too?

14th Nov 2019, 5:27 PM

Марсель Халимов

algorithm c++numbers prime

1 Vote

21st Jun 2017, 11:27 AM

Arpit saxena

i=2; i<=num/2; ++i

c++forloop loops prime

0 Votes

Can someone assist me please? I’m stuck (Socket Programming: Number Exchange)

25th Sep 2019, 7:51 AM

Dipanjan Basu

help newbie numbers prime python socket

1 Vote

How can I find a program in java to accept a number from the user and print all the prime factors of the number.

16th Oct 2022, 4:38 PM

Malika

javaprogram primefactors

0 Votes

[HELP] Sum of primes for n ?

30th May 2017, 1:13 PM

Rishita Singh

algorithm c c++java kotlin php prime python summation

2 Votes

10 Answers

1st Apr 2018, 5:48 PM

Raziul Islam

Write a program to input a number & find out whether the sum of the digits in the number is a prime number or not.

java,loop,while

0 Votes

how to write code in c# for this program:-

30th Sep 2017, 5:39 PM

Aaron Stone

c#digits loop prime while

1 Vote

Program for multiple of at least two digits, n, return 1 if n is multiple of at least two digits or return 0,o/p prime number c

27th Nov 2016, 12:41 PM

Deepashri Bharat Barve

-2 Votes

Not (!) operator , how does it really work, secondly how does this method account for prime 5 if n is set to limit of 10?

13th Aug 2017, 11:42 AM

kiruthikaa

javascript

0 Votes

Как создать список из простых чисел

15th Dec 2017, 6:12 AM

Louis McIntosh

arraylist lists numbers prime python python3

1 Vote

What do i have to do here?

31st Mar 2019, 2:36 PM

AlexanderAPS

c++code cpp help prime

0 Votes

My program won't run, and I don't understand why..?

17th Jul 2017, 12:20 PM

Hakan Koca

c++error help numbers prime programming

1 Vote

An integer n is prime if its only factors are 1 and itself. Write a code segment for checking whether the value of an int n is

27th Sep 2019, 8:36 PM

Benan Essayed

java

-5 Votes

27th Dec 2021, 7:26 PM

Sweshthika Sureshkumar

Compilation Error...

compilation compiler error java mistake number prime

1 Vote

c++code count optimization prime primenumbers

5th Apr 2018, 9:02 PM

David Wicker

Help optimizing code

0 Votes

Attention ! I need help. I cant understand the following program.

2nd May 2017, 8:02 AM

Naveed

a c c_examples loop number prime using while

1 Vote

array c++factorization forloop help needhelp prime primefactorization stock whileloop

22nd Jun 2020, 8:06 AM

Rakibur Rahman

I need help

0 Votes

whats wrong with this code

18th Oct 2018, 5:53 PM

Filippo Passante

def factor for issue loops prime problem python python3 while

0 Votes