Algorithms for Egyptian Fractions

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In ancient Egypt, a fraction was represented as a sum of fractions with numerator one. Any number has infinitely many Egyptian fraction representations, although there are only finitely many that have a given number of terms. Today many algorithms are known, each producing a different number of unit fractions, different size denominators (some of which can be very large), and different times to complete.

Contributed by: Enrique Zeleny (March 2011)
Based on programs by: David Eppstein
Open content licensed under CC BY-NC-SA


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