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Mod 7

Age 16 to 18
Challenge Level Yellow star
  • Problem
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Find the remainder when 3 2001 is divided by 7.

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What can you say about the common difference of an AP where every term is prime?

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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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