Why 3 and 5 are always factors of primitive Pythagorean triples

• Autores: J.V. Leyendekkers, A.G. Shannon
• Localización: International journal of mathematical education in science and technology, ISSN 0020-739X, Vol. 42, Nº. 1, 2011, págs. 102-105
• Idioma: inglés
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• Resumen

  • Analysis of integer structure and right-end-digits can illustrate why 3 and 5 are features of primitive Pythagorean triples. The results also utilize the triangular and pentagonal numbers.