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United States competition problems

Number theory Difficulty 3.8 AMC 10/12 Find the answer United States

Problem:
A product of five primes is of the form ABC,ABCABC,ABC, where AA, BB, and CC represent digits. If one of the primes is 491491, find the product ABC,ABCABC,ABC.

A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

Solution

Solution:
491⋅1001⋅2=982,982491 \cdot 1001 \cdot 2 = 982,982.

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Source: MathNet, licensed CC-BY-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.