Check if the first and last digit of the smallest number forms a prime
Given an array arr[] containing numbers from 0 to 9 only, the task is to form the minimum possible number from the given digits and… Read More »
Tag Archives: Prime Number
C Program to Check Whether a Number is Prime or not
Given a positive integer . The task is to write a C program to check if the number is prime or not. Definition: A prime… Read More »
Program to find Nth term in the series 0, 2, 1, 3, 1, 5, 2, 7, 3,…
Given a number N. The task is to write a program to find the N-th term in the below series: 0, 2, 1, 3, 1,… Read More »
Count numbers which can be represented as sum of same parity primes
Given an arr[] of positive integers you have to count how many numbers can be represented as sum of same parity prime numbers(can be same)… Read More »
Alternate Primes till N
We have to print alternate prime numbers till N. Examples: Input : N = 10 Output : 2 5 Input : N = 15 Output… Read More »
N-th prime factor of a given number
Given Q queries which consist of two integers, one is number(1 <= number <= 106) and the other is N., the task is to find… Read More »
Minimum number of single digit primes required whose sum is equal to N
Find the minimum number of single-digit prime numbers required whose sum will be equal to N. Examples: Input: 11 Output: 3 Explanation: 5 + 3… Read More »
Print the nearest prime number formed by adding prime numbers to N
Given a number N. The task is to print the nearest prime if the number is not prime by making it prime by adding prime… Read More »
Check if the given number K is enough to reach the end of an array
Given an array arr[] of n elements and a number K. The task is to determine if it is possible to reach the end of… Read More »
Prime numbers in a given range using STL | Set 2
Generate all prime numbers between two given numbers. The task is to print prime numbers in that range. The Sieve of Eratosthenes is one of… Read More »
Smarandache-Wellin Sequence
Given a number ‘n’, generate the first ‘n’ terms of the Smarandache-Wellin Sequence. The Smarandache-Wellin Sequence is a sequence formed by the Smarandache-Wellin numbers. Each… Read More »
Program for Fibonacci numbers in PL/SQL
The Fibonacci numbers are the numbers in the following integer sequence. 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ……..… Read More »
Prime Number of Set Bits in Binary Representation | Set 1
Given two integers ‘L’ and ‘R’, write a program to find the total numbers that are having prime number of set bits in their binary… Read More »
Prime number in PL/SQL
Prerequisite – PL/SQL introduction A prime number is a whole number greater than 1, which is only divisible by 1 and itself. First few prime… Read More »
Print prime numbers from 1 to N in reverse order
Given a number N, print all prime number smaller than or equal to N in reverse order . For example, if N is 9, the… Read More »