Use the divisibility rules to help determine the prime factorization of the following number. 22
A) $2 \cdot 10$
B) $4 \cdot 11$
C) $2 \cdot 11$
D) $3 \cdot 11$
E) none of these

Question

Quizplus · Accepted Answer

The number 22 is even, so it is divisible by 2. We get 22/2=11. 
11 is a prime number, so we cannot factor it any further. 
Therefore, the prime factorization of 22 is 2 * 11.

Use the Divisibility Rules to Help Determine the Prime Factorization 2⋅102 \cdot 102⋅10

Use the Divisibility Rules to Help Determine the Prime Factorization $2 \cdot 10$