MathDB
sum of primes ≤1000

Source: LIMIT 2019 CAS1 P8

April 28, 2021
number theory

Problem Statement

There are 168168 primes below 10001000. Then sum of all primes below 10001000 is, <spanclass=latexbold>(A)</span> 11555<span class='latex-bold'>(A)</span>~11555 <spanclass=latexbold>(B)</span> 76127<span class='latex-bold'>(B)</span>~76127 <spanclass=latexbold>(C)</span> 57298<span class='latex-bold'>(C)</span>~57298 <spanclass=latexbold>(D)</span> 81722<span class='latex-bold'>(D)</span>~81722