Maths Olympiad Prep

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Number theory Difficulty 1.0 Junior Find the answer United Kingdom

The prime factor decomposition of 2021 is 43×4743 \times 47. What is the value of 53×5753 \times 57?

(A) 22212221 (B) 25212521 (C) 29212921 (D) 30213021 (E) 30313031

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