Library / /337 of 475

, 1998

Number theory Difficulty 2.0 Junior Find the answer Canada

If $1998 = p^s q^t r^u$ , where $p$ , $q$ and $r$ are prime numbers, what is the value of $p+q+r$ ?

(A) $222$ (B) $48$ (C) $42$ (D) $66$ (E) $122$

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.