Subramaniam, Krishnamurthy Bala, and Aji Thomas. “The Product of Two Positive Integers Is the Product of Their GCF and LCM”. Ohio Journal of School Mathematics 89, no. 1 (January 13, 2022). Accessed May 4, 2024. https://ohiomathjournal.org/index.php/OJSM/article/view/8785.