We give infinitely many new families of non-congruent numbers where the first prime factor of each number is of the form 8k+1 and the rest of the prime factors have the form 8k+3. Products of elements in each family are shown to be non-congruent.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm138-2-11, author = {Lindsey Reinholz and Blair K. Spearman and Qiduan Yang}, title = {On the prime factors of non-congruent numbers}, journal = {Colloquium Mathematicae}, volume = {139}, year = {2015}, pages = {271-282}, zbl = {06401031}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm138-2-11} }
Lindsey Reinholz; Blair K. Spearman; Qiduan Yang. On the prime factors of non-congruent numbers. Colloquium Mathematicae, Tome 139 (2015) pp. 271-282. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm138-2-11/