Prime Challenge

CodeChefOpen on judge ↗

Samya and Utsav are good friends. Samya claims that no one can beat him in maths especially when it comes to dealing with numbers. So Samya throws a challenge at Utsav that he will be able to do any computation within a second however difficult it is. Utsav tells him a value of N and asks him to find the smallest number such that it is co-prime to all first N natural numbers,it is a composite numb

HINT LADDERno hints yet

L1 Observation

L2 Technique

L3 Approach

L4 Pseudo-code

🔒

L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

CodeSearch Tutor

Hints, not spoilers — it won’t hand over the full solution unless you insist.

voice by Sarvam AI