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Number theory Difficulty 2.0 Junior Find the answer United Kingdom

The result of the calculation 9×11×13×15×179 \times 11 \times 13 \times 15 \times 17 is the six-digit number '3n81853n8185'. What is the value of nn?

(A) 22 (B) 44 (C) 66 (D) 88 (E) 00

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