turkey-yks 2013 Q12

turkey-yks · Other · ygs Arithmetic Sequences and Series Compute Partial Sum of an Arithmetic Sequence

$$A = 13 + 26 + 39 + \cdots + 169$$
Given this, what is the sum of the prime numbers that divide A?
A) 16
B) 18
C) 20
D) 22
E) 24

$$A = 13 + 26 + 39 + \cdots + 169$$

Given this, what is the sum of the prime numbers that divide A?\\
A) 16\\
B) 18\\
C) 20\\
D) 22\\
E) 24