2015 AIME II Problems/Problem 3
Problem
Let be the least positive integer divisible by whose digits sum to . Find .
Solution 1
The three-digit integers divisible by , and their digit sum:
\[\begin{array}{c|c} m & s(m)\\ 102 & 3 119 & 11 136 & 10 153 & 9 170 & 8 187 & 16 204 & 6 221 & 5 238 & 13 255 & 12 272 & 11 289 & 19 306 & 9 323 & 8 340 & 7 357 & 15 374 & 14 391 & 13 408 & 12 425 & 11 442 & 10 459 & 18 476 & 17 \end{array}\] (Error compiling LaTeX. Unknown error_msg)
Thus the answer is .
See also
2015 AIME II (Problems • Answer Key • Resources) | ||
Preceded by Problem 2 |
Followed by Problem 4 | |
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