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Number theory Difficulty 3.0 AMC 10/12 Find the answer United Kingdom

A particular number has exactly nine factors, including 11 and itself. The number has 99 and 1212 as factors. What is the number?

(A) 2424 (B) 3636 (C) 4848 (D) 7272 (E) 144144

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Source: UK Mathematics Trust, licensed © UK Mathematics Trust; past papers published free at ukmt.org.uk. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.