## Sum of prime numbers without odd prime digits

Given an integer N. The task is to find the sum of the first N prime numbers which don’t contain any odd primes as their… Read More »

- Program to find the Nth Prime Number
- Generate elements of the array following given conditions
- Longest subsequence such that every element in the subsequence is formed by multiplying previous element with a prime
- Count occurrences of a prime number in the prime factorization of every element from the given range
- Check if each element of the given array is the product of exactly K prime numbers
- Find the sum of the ascii values of characters which are present at prime positions
- Check if the given string is vowel prime
- Find a sequence of N prime numbers whose sum is a composite number
- Generate N integers satisfying the given conditions
- Find out the prime numbers in the form of A+nB or B+nA
- Number of 0s and 1s at prime positions in the given array
- Find prime numbers in the first half and second half of an array
- Product of Primes of all Subsets
- Sum of numbers in a range [L, R] whose count of divisors is prime
- Minimum operations required to convert X to Y by multiplying X with the given co-primes
- Ramanujan Prime
- Sum of Semi-Prime Numbers less than or equal to N
- XOR of elements in an array having prime frequency
- Program to find the next prime number
- Triangle of numbers arising from Gilbreath's conjecture
- Queries for the difference between the count of composite and prime numbers in a given range
- Find the sum of prime numbers in the Kth array
- Find the prime P using given four integers
- Find all numbers between range L to R such that sum of digit and sum of square of digit is prime
- Check if the first and last digit of number N is prime and their sum is less than K
- Find the XOR of first N Prime Numbers
- Bitwise AND of the sum of prime numbers and the sum of composite numbers in an array
- Sum of prime numbers without odd prime digits
- Absolute difference between the XOR of Non-Prime numbers and Prime numbers of an Array
- Partition first N natural number into two sets such that their sum is not coprime

Given an integer N. The task is to find the sum of the first N prime numbers which don’t contain any odd primes as their… Read More »

The Nth Ramanujan prime is the least integer Rn for which where π(x) is a prime-counting function Note that the integer Rn is necessarily a… Read More »

Given an array arr of size N. The task is to find the prime numbers in the first half (up to index N/2) and the… Read More »

Given a string str of lowercase English alphabets, the task is to check whether the string is a vowel prime or not. A string is… Read More »

Given four integers X, Y, X2%P, Y2%P, where P is a prime number. The task is to find prime P. Note: Answer always exsits. Examples:… Read More »

Given four integers X, Y, P and Q such that X ≤ Y and gcd(P, Q) = 1. The task is to find minimum operation… Read More »

Given a sorted array of N integers. The task is to find the longest subsequence such that every element in the subsequence is reachable by… Read More »

Given an integer N, the task is to find the sum of semi-prime numbers which are less than or equal to N. A Semi prime… Read More »

Given an integer N, the task is to partition the first N natural numbers in two non-empty sets such that the sum of these set… Read More »

Given a string str of size N. The task is to find out whether it is possible to rearrange characters in string str so that… Read More »

Given an integer N and the task is to find a sequence of N prime numbers whose sum is a composite number. Examples: Input: N… Read More »

Given an integer N, for every integer i in the range 2 to N, assign a positive integer such that the following conditions hold :… Read More »

Given an array arr[] of size N where each element is either 0 or 1. The task is to find the count of 0s and 1s which are at prime… Read More »

Given a string str of size N, the task is to find the sum of all ASCII values of the characters which are present at… Read More »

Given Q queries where each query consists of two positive integers L and R and the task is to find the absolute difference between the… Read More »