Numbers with Four Close Factorizations

Tsz Ho Chan, Laura Holmes, Michael Liu +1

In this paper, we study numbers $n$ that can be factored in four different ways as $n=AB=(A+a_1)(B-b_1)=(A+a_2)(B-b_2)=(A+a_3)(B-b_3)$ with $B\le A$, $1 \l…