Answer:
Below in bold.
Explanation:
1. 120 = 12 * 10
= 2*2*3*2*5
= 2*2*2*3*5
2. 160 = 10 * 16
= 2*5*2*2*2*2
= 2*2*2*2*2*5
120=2*2*2*3*5
160=2*2*2*2*2*5
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