turkey-yks 2021 Q2

turkey-yks · Other · yks-ayt Number Theory Prime Number Properties and Identification

Let $p$ and $r$ be distinct prime numbers. The number $180 \cdot r$ is an integer multiple of the number $p$.
Accordingly, the prime number $p$ definitely divides which of the following numbers?
A) $12 \cdot r$
B) $18 \cdot r$
C) $20 \cdot r$
D) $30 \cdot r$
E) $45 \cdot r$

Let $p$ and $r$ be distinct prime numbers. The number $180 \cdot r$ is an integer multiple of the number $p$.

Accordingly, the prime number $p$ definitely divides which of the following numbers?\\
A) $12 \cdot r$\\
B) $18 \cdot r$\\
C) $20 \cdot r$\\
D) $30 \cdot r$\\
E) $45 \cdot r$

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