Evaluate
84
Factor
2^{2}\times 3\times 7
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24+12+16+16+16
Add 23 and 1 to get 24.
36+16+16+16
Add 24 and 12 to get 36.
52+16+16
Add 36 and 16 to get 52.
68+16
Add 52 and 16 to get 68.
84
Add 68 and 16 to get 84.
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