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**Question 11**:

State all the prime factors of 156.

**Solution**:$\begin{array}{l}\text{Factorsof}156:\\ 1\text{}\times \text{156}\\ \overline{)2}\text{}\times \text{78}\\ \overline{)3}\text{}\times \text{52}\\ \text{4}\times \text{39}\\ \text{6}\times \text{26}\\ \text{12}\times \text{}\overline{)\text{13}}\\ \\ 2,\text{}3\text{and}13\text{aretheprimefactorsof}156.\end{array}$

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**Question 12**:

State all the prime factors of 182.

**Solution**:$\begin{array}{l}\text{Factorsof}182:\\ 1\text{}\times \text{182}\\ \overline{)2}\text{}\times \text{91}\\ \overline{)\text{7}}\text{}\times \text{26}\\ \overline{)13}\text{}\times \text{14}\\ \\ 2,\text{7,13and91aretheprimefactorsof}182.\end{array}$