Use the Divisibility Rules to Help Determine the Prime Factorization $7 \cdot 17$

Multiple Choice

Use the divisibility rules to help determine the prime factorization of the number below. 85

A) $7 \cdot 17$
B) $5 \cdot 17$
C) $3 \cdot 5 \cdot 17$
D) $3 \cdot 17$
E) none of these