Evaluate
628
Factor
2^{2}\times 157
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152+53+57+53+78+70+77+43+45
Add 80 and 72 to get 152.
205+57+53+78+70+77+43+45
Add 152 and 53 to get 205.
262+53+78+70+77+43+45
Add 205 and 57 to get 262.
315+78+70+77+43+45
Add 262 and 53 to get 315.
393+70+77+43+45
Add 315 and 78 to get 393.
463+77+43+45
Add 393 and 70 to get 463.
540+43+45
Add 463 and 77 to get 540.
583+45
Add 540 and 43 to get 583.
628
Add 583 and 45 to get 628.
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Limits
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