Maths Olympiad Prep

Library / /45 of 146

, 2024

Number theory Difficulty 2.0 Junior Find the answer United Kingdom

The prime factorization of 20242024 is 23×11×232^3 \times 11 \times 23. How many two-digit numbers are factors of 20242024?

(A) 22 (B) 44 (C) 66 (D) 77 (E) 88

Want a route through all this instead of an archive? The track puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.

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.