2.2.3 Number Patterns and Sequences, PT3 Practice

Posted on January 22, 2017 by user

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Question 11:
State all the prime factors of 156.

Solution:

$\begin{array}{l} Factors of 156 : \\ 1 \times 156 \\ 2 \times 78 \\ 3 \times 52 \\ 4 \times 39 \\ 6 \times 26 \\ 12 \times 13 \\ 2, 3 and 13 are the prime factors of 156. \end{array}$

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Question 12:
State all the prime factors of 182.

Solution:

$\begin{array}{l} Factors of 182 : \\ 1 \times 182 \\ 2 \times 91 \\ 7 \times 26 \\ 13 \times 14 \\ 2, 7, 13 and 91 are the prime factors of 182. \end{array}$