Papers › On a question of Mordell

On a question of Mordell

2 Jul 2020arXiv:2007.01209links table onlyarchive 2025-07-28

Andrew R. Booker, Andrew V. Sutherland

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We make several improvements to methods for finding integer solutions to x³+y³+z³=k for small values of k. We implemented these improvements on Charity Engine's global compute grid of 500,000 volunteer PCs and found new representations for several values of k, including k=3 and k=42. This completes the search begun by Miller and Woollett in 1954 and resolves a challenge posed by Mordell in 1953.

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