description Problem history Submissions question_mark Qna how_to_vote Vote #2806 upload 103 done 21 how_to_reg 19 소수 구하기2 timer 1s memory 32MB upload Attempts 103 times Solved 21 times Solvers 19 people Acceptance Rate 20.4% monitoring Average Runtime 275.5ms Average Memory 7212.0KB Average Code Length 1283.3B No. Submitter Result Time Memory Length Language Submitted