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**Question**

3 a)

i) Write 120 as a product of its prime factors.

i) Write 120 as a product of its prime factors.

**[3 marks]**

ii) The lowest common multiple (LCM) of

*x*and 120 is 360.

Find the smallest possible value of

*x*

**[2 marks]**

b) Two numbers,

*A*and

*B*, are written as a product of prime factors

Find the highest common factor (HCF) of

*A*and*B*.**[2 marks]**