Evaluate
117
Factor
3^{2}\times 13
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60+12+12+12+9+4+8
Add 55 and 5 to get 60.
72+12+12+9+4+8
Add 60 and 12 to get 72.
84+12+9+4+8
Add 72 and 12 to get 84.
96+9+4+8
Add 84 and 12 to get 96.
105+4+8
Add 96 and 9 to get 105.
109+8
Add 105 and 4 to get 109.
117
Add 109 and 8 to get 117.
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