Evaluate
117
Factor
3^{2}\times 13
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15+4+17+11+12+13+14+15+16
Add 7 and 8 to get 15.
19+17+11+12+13+14+15+16
Add 15 and 4 to get 19.
36+11+12+13+14+15+16
Add 19 and 17 to get 36.
47+12+13+14+15+16
Add 36 and 11 to get 47.
59+13+14+15+16
Add 47 and 12 to get 59.
72+14+15+16
Add 59 and 13 to get 72.
86+15+16
Add 72 and 14 to get 86.
101+16
Add 86 and 15 to get 101.
117
Add 101 and 16 to get 117.
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